20236484180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{619}}^1\times {\mathrm{821}}^1$

素因数の和:1641

約数の個数: 96

約数和(自身を含む): 46748257920

約数和(自身を除く): 26511773740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 619, 724, 821, 905, 1238, 1642, 1810, 1991, 2476, 3095, 3284, 3620, 3982, 4105, 6190, 6809, 7964, 8210, 9031, 9955, 12380, 13618, 16420, 18062, 19910, 27236, 34045, 36124, 39820, 45155, 68090, 90310, 112039, 136180, 148601, 180620, 224078, 297202, 448156, 508199, 560195, 594404, 743005, 1016398, 1120390, 1232429, 1486010, 1634611, 2032796, 2240780, 2464858, 2540995, 2972020, 3269222, 4929716, 5081990, 5590189, 6162145, 6538444, 8173055, 10163980, 11180378, 12324290, 16346110, 22360756, 24648580, 27950945, 32692220, 55901890, 91984019, 111803780, 183968038, 367936076, 459920095, 919840190, 1011824209, 1839680380, 2023648418, 4047296836, 5059121045, 10118242090, 20236484180]

約数ペア:

[(1, 20236484180), (2, 10118242090), (4, 5059121045), (5, 4047296836), (10, 2023648418), (11, 1839680380), (20, 1011824209), (22, 919840190), (44, 459920095), (55, 367936076), (110, 183968038), (181, 111803780), (220, 91984019), (362, 55901890), (619, 32692220), (724, 27950945), (821, 24648580), (905, 22360756), (1238, 16346110), (1642, 12324290), (1810, 11180378), (1991, 10163980), (2476, 8173055), (3095, 6538444), (3284, 6162145), (3620, 5590189), (3982, 5081990), (4105, 4929716), (6190, 3269222), (6809, 2972020), (7964, 2540995), (8210, 2464858), (9031, 2240780), (9955, 2032796), (12380, 1634611), (13618, 1486010), (16420, 1232429), (18062, 1120390), (19910, 1016398), (27236, 743005), (34045, 594404), (36124, 560195), (39820, 508199), (45155, 448156), (68090, 297202), (90310, 224078), (112039, 180620), (136180, 148601)]