20115857580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{216719}}^1$

素因数の和:216768

約数の個数: 192

約数和(自身を含む): 73400463360

約数和(自身を除く): 53284605780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 20, 21, 26, 28, 30, 34, 35, 39, 42, 51, 52, 60, 65, 68, 70, 78, 84, 85, 91, 102, 105, 119, 130, 140, 156, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 340, 357, 364, 390, 420, 442, 455, 476, 510, 546, 595, 663, 714, 780, 884, 910, 1020, 1092, 1105, 1190, 1326, 1365, 1428, 1547, 1785, 1820, 2210, 2380, 2652, 2730, 3094, 3315, 3570, 4420, 4641, 5460, 6188, 6630, 7140, 7735, 9282, 13260, 15470, 18564, 23205, 30940, 46410, 92820, 216719, 433438, 650157, 866876, 1083595, 1300314, 1517033, 2167190, 2600628, 2817347, 3034066, 3250785, 3684223, 4334380, 4551099, 5634694, 6068132, 6501570, 7368446, 7585165, 8452041, 9102198, 11052669, 11269388, 13003140, 14086735, 14736892, 15170330, 16904082, 18204396, 18421115, 19721429, 22105338, 22755495, 25789561, 28173470, 30340660, 33808164, 36842230, 39442858, 42260205, 44210676, 45510990, 47894899, 51579122, 55263345, 56346940, 59164287, 73684460, 77368683, 78885716, 84520410, 91021980, 95789798, 98607145, 103158244, 110526690, 118328574, 128947805, 143684697, 154737366, 169040820, 191579596, 197214290, 221053380, 236657148, 239474495, 257895610, 287369394, 295821435, 309474732, 335264293, 386843415, 394428580, 478948990, 515791220, 574738788, 591642870, 670528586, 718423485, 773686830, 957897980, 1005792879, 1183285740, 1341057172, 1436846970, 1547373660, 1676321465, 2011585758, 2873693940, 3352642930, 4023171516, 5028964395, 6705285860, 10057928790, 20115857580]

約数ペア:

[(1, 20115857580), (2, 10057928790), (3, 6705285860), (4, 5028964395), (5, 4023171516), (6, 3352642930), (7, 2873693940), (10, 2011585758), (12, 1676321465), (13, 1547373660), (14, 1436846970), (15, 1341057172), (17, 1183285740), (20, 1005792879), (21, 957897980), (26, 773686830), (28, 718423485), (30, 670528586), (34, 591642870), (35, 574738788), (39, 515791220), (42, 478948990), (51, 394428580), (52, 386843415), (60, 335264293), (65, 309474732), (68, 295821435), (70, 287369394), (78, 257895610), (84, 239474495), (85, 236657148), (91, 221053380), (102, 197214290), (105, 191579596), (119, 169040820), (130, 154737366), (140, 143684697), (156, 128947805), (170, 118328574), (182, 110526690), (195, 103158244), (204, 98607145), (210, 95789798), (221, 91021980), (238, 84520410), (255, 78885716), (260, 77368683), (273, 73684460), (340, 59164287), (357, 56346940), (364, 55263345), (390, 51579122), (420, 47894899), (442, 45510990), (455, 44210676), (476, 42260205), (510, 39442858), (546, 36842230), (595, 33808164), (663, 30340660), (714, 28173470), (780, 25789561), (884, 22755495), (910, 22105338), (1020, 19721429), (1092, 18421115), (1105, 18204396), (1190, 16904082), (1326, 15170330), (1365, 14736892), (1428, 14086735), (1547, 13003140), (1785, 11269388), (1820, 11052669), (2210, 9102198), (2380, 8452041), (2652, 7585165), (2730, 7368446), (3094, 6501570), (3315, 6068132), (3570, 5634694), (4420, 4551099), (4641, 4334380), (5460, 3684223), (6188, 3250785), (6630, 3034066), (7140, 2817347), (7735, 2600628), (9282, 2167190), (13260, 1517033), (15470, 1300314), (18564, 1083595), (23205, 866876), (30940, 650157), (46410, 433438), (92820, 216719)]