20085570

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:337

約数の個数: 80

約数和(自身を含む): 54702648

約数和(自身を除く): 34617078

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 137, 162, 181, 270, 274, 362, 405, 411, 543, 685, 810, 822, 905, 1086, 1233, 1370, 1629, 1810, 2055, 2466, 2715, 3258, 3699, 4110, 4887, 5430, 6165, 7398, 8145, 9774, 11097, 12330, 14661, 16290, 18495, 22194, 24435, 24797, 29322, 36990, 48870, 49594, 55485, 73305, 74391, 110970, 123985, 146610, 148782, 223173, 247970, 371955, 446346, 669519, 743910, 1115865, 1339038, 2008557, 2231730, 3347595, 4017114, 6695190, 10042785, 20085570]

約数ペア:

[(1, 20085570), (2, 10042785), (3, 6695190), (5, 4017114), (6, 3347595), (9, 2231730), (10, 2008557), (15, 1339038), (18, 1115865), (27, 743910), (30, 669519), (45, 446346), (54, 371955), (81, 247970), (90, 223173), (135, 148782), (137, 146610), (162, 123985), (181, 110970), (270, 74391), (274, 73305), (362, 55485), (405, 49594), (411, 48870), (543, 36990), (685, 29322), (810, 24797), (822, 24435), (905, 22194), (1086, 18495), (1233, 16290), (1370, 14661), (1629, 12330), (1810, 11097), (2055, 9774), (2466, 8145), (2715, 7398), (3258, 6165), (3699, 5430), (4110, 4887)]