20661874920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1\times {\mathrm{3499}}^1$

素因数の和:3912

約数の個数: 192

約数和(自身を含む): 68796000000

約数和(自身を除く): 48134125080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 90, 94, 120, 141, 180, 188, 235, 282, 349, 360, 376, 423, 470, 564, 698, 705, 846, 940, 1047, 1128, 1396, 1410, 1692, 1745, 1880, 2094, 2115, 2792, 2820, 3141, 3384, 3490, 3499, 4188, 4230, 5235, 5640, 6282, 6980, 6998, 8376, 8460, 10470, 10497, 12564, 13960, 13996, 15705, 16403, 16920, 17495, 20940, 20994, 25128, 27992, 31410, 31491, 32806, 34990, 41880, 41988, 49209, 52485, 62820, 62982, 65612, 69980, 82015, 83976, 98418, 104970, 125640, 125964, 131224, 139960, 147627, 157455, 164030, 164453, 196836, 209940, 246045, 251928, 295254, 314910, 328060, 328906, 393672, 419880, 492090, 493359, 590508, 629820, 656120, 657812, 738135, 822265, 984180, 986718, 1181016, 1221151, 1259640, 1315624, 1476270, 1480077, 1644530, 1968360, 1973436, 2442302, 2466795, 2952540, 2960154, 3289060, 3663453, 3946872, 4884604, 4933590, 5905080, 5920308, 6105755, 6578120, 7326906, 7400385, 9769208, 9867180, 10990359, 11840616, 12211510, 14653812, 14800770, 18317265, 19734360, 21980718, 24423020, 29307624, 29601540, 36634530, 43961436, 48846040, 54951795, 57394097, 59203080, 73269060, 87922872, 109903590, 114788194, 146538120, 172182291, 219807180, 229576388, 286970485, 344364582, 439614360, 459152776, 516546873, 573940970, 688729164, 860911455, 1033093746, 1147881940, 1377458328, 1721822910, 2066187492, 2295763880, 2582734365, 3443645820, 4132374984, 5165468730, 6887291640, 10330937460, 20661874920]

約数ペア:

[(1, 20661874920), (2, 10330937460), (3, 6887291640), (4, 5165468730), (5, 4132374984), (6, 3443645820), (8, 2582734365), (9, 2295763880), (10, 2066187492), (12, 1721822910), (15, 1377458328), (18, 1147881940), (20, 1033093746), (24, 860911455), (30, 688729164), (36, 573940970), (40, 516546873), (45, 459152776), (47, 439614360), (60, 344364582), (72, 286970485), (90, 229576388), (94, 219807180), (120, 172182291), (141, 146538120), (180, 114788194), (188, 109903590), (235, 87922872), (282, 73269060), (349, 59203080), (360, 57394097), (376, 54951795), (423, 48846040), (470, 43961436), (564, 36634530), (698, 29601540), (705, 29307624), (846, 24423020), (940, 21980718), (1047, 19734360), (1128, 18317265), (1396, 14800770), (1410, 14653812), (1692, 12211510), (1745, 11840616), (1880, 10990359), (2094, 9867180), (2115, 9769208), (2792, 7400385), (2820, 7326906), (3141, 6578120), (3384, 6105755), (3490, 5920308), (3499, 5905080), (4188, 4933590), (4230, 4884604), (5235, 3946872), (5640, 3663453), (6282, 3289060), (6980, 2960154), (6998, 2952540), (8376, 2466795), (8460, 2442302), (10470, 1973436), (10497, 1968360), (12564, 1644530), (13960, 1480077), (13996, 1476270), (15705, 1315624), (16403, 1259640), (16920, 1221151), (17495, 1181016), (20940, 986718), (20994, 984180), (25128, 822265), (27992, 738135), (31410, 657812), (31491, 656120), (32806, 629820), (34990, 590508), (41880, 493359), (41988, 492090), (49209, 419880), (52485, 393672), (62820, 328906), (62982, 328060), (65612, 314910), (69980, 295254), (82015, 251928), (83976, 246045), (98418, 209940), (104970, 196836), (125640, 164453), (125964, 164030), (131224, 157455), (139960, 147627)]