20215695045

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:696

約数の個数: 192

約数和(自身を含む): 42214072320

約数和(自身を除く): 21998377275

約数列:

[1, 3, 5, 7, 13, 15, 21, 31, 35, 39, 49, 65, 91, 93, 105, 139, 147, 155, 195, 217, 245, 273, 403, 417, 455, 465, 491, 637, 651, 695, 735, 973, 1085, 1209, 1365, 1473, 1519, 1807, 1911, 2015, 2085, 2455, 2821, 2919, 3185, 3255, 3437, 4309, 4557, 4865, 5421, 6045, 6383, 6811, 7365, 7595, 8463, 9035, 9555, 10311, 12649, 12927, 14105, 14595, 15221, 17185, 19149, 19747, 20433, 21545, 22785, 24059, 27105, 30163, 31915, 34055, 37947, 42315, 44681, 45663, 51555, 56017, 59241, 63245, 64635, 68249, 72177, 76105, 88543, 90489, 95745, 98735, 102165, 106547, 120295, 134043, 150815, 168051, 189735, 197873, 204747, 211141, 223405, 228315, 265629, 280085, 296205, 312767, 319641, 341245, 360885, 392119, 442715, 452445, 477743, 532735, 593619, 633423, 670215, 745829, 840255, 887237, 938301, 989365, 1023735, 1055705, 1176357, 1328145, 1385111, 1433229, 1563835, 1598205, 1960595, 2115719, 2237487, 2388715, 2661711, 2744833, 2968095, 3167115, 3344201, 3729145, 4155333, 4436185, 4691505, 5881785, 6210659, 6347157, 6925555, 7166145, 8234499, 9695777, 10032603, 10578595, 11187435, 13308555, 13724165, 14810033, 16721005, 18631977, 20776665, 27504347, 29087331, 31053295, 31735785, 41172495, 43474613, 44430099, 48478885, 50163015, 74050165, 82513041, 93159885, 103670231, 130423839, 137521735, 145436655, 192530429, 217373065, 222150495, 311010693, 412565205, 518351155, 577591287, 652119195, 962652145, 1347713003, 1555053465, 2887956435, 4043139009, 6738565015, 20215695045]

約数ペア:

[(1, 20215695045), (3, 6738565015), (5, 4043139009), (7, 2887956435), (13, 1555053465), (15, 1347713003), (21, 962652145), (31, 652119195), (35, 577591287), (39, 518351155), (49, 412565205), (65, 311010693), (91, 222150495), (93, 217373065), (105, 192530429), (139, 145436655), (147, 137521735), (155, 130423839), (195, 103670231), (217, 93159885), (245, 82513041), (273, 74050165), (403, 50163015), (417, 48478885), (455, 44430099), (465, 43474613), (491, 41172495), (637, 31735785), (651, 31053295), (695, 29087331), (735, 27504347), (973, 20776665), (1085, 18631977), (1209, 16721005), (1365, 14810033), (1473, 13724165), (1519, 13308555), (1807, 11187435), (1911, 10578595), (2015, 10032603), (2085, 9695777), (2455, 8234499), (2821, 7166145), (2919, 6925555), (3185, 6347157), (3255, 6210659), (3437, 5881785), (4309, 4691505), (4557, 4436185), (4865, 4155333), (5421, 3729145), (6045, 3344201), (6383, 3167115), (6811, 2968095), (7365, 2744833), (7595, 2661711), (8463, 2388715), (9035, 2237487), (9555, 2115719), (10311, 1960595), (12649, 1598205), (12927, 1563835), (14105, 1433229), (14595, 1385111), (15221, 1328145), (17185, 1176357), (19149, 1055705), (19747, 1023735), (20433, 989365), (21545, 938301), (22785, 887237), (24059, 840255), (27105, 745829), (30163, 670215), (31915, 633423), (34055, 593619), (37947, 532735), (42315, 477743), (44681, 452445), (45663, 442715), (51555, 392119), (56017, 360885), (59241, 341245), (63245, 319641), (64635, 312767), (68249, 296205), (72177, 280085), (76105, 265629), (88543, 228315), (90489, 223405), (95745, 211141), (98735, 204747), (102165, 197873), (106547, 189735), (120295, 168051), (134043, 150815)]