20282625

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{149}}^1$

素因数の和:192

約数の個数: 72

約数和(自身を含む): 40458600

約数和(自身を除く): 20175975

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 121, 125, 149, 165, 225, 275, 363, 375, 447, 495, 605, 745, 825, 1089, 1125, 1341, 1375, 1639, 1815, 2235, 2475, 3025, 3725, 4125, 4917, 5445, 6705, 8195, 9075, 11175, 12375, 14751, 15125, 18029, 18625, 24585, 27225, 33525, 40975, 45375, 54087, 55875, 73755, 90145, 122925, 136125, 162261, 167625, 204875, 270435, 368775, 450725, 614625, 811305, 1352175, 1843875, 2253625, 4056525, 6760875, 20282625]

約数ペア:

[(1, 20282625), (3, 6760875), (5, 4056525), (9, 2253625), (11, 1843875), (15, 1352175), (25, 811305), (33, 614625), (45, 450725), (55, 368775), (75, 270435), (99, 204875), (121, 167625), (125, 162261), (149, 136125), (165, 122925), (225, 90145), (275, 73755), (363, 55875), (375, 54087), (447, 45375), (495, 40975), (605, 33525), (745, 27225), (825, 24585), (1089, 18625), (1125, 18029), (1341, 15125), (1375, 14751), (1639, 12375), (1815, 11175), (2235, 9075), (2475, 8195), (3025, 6705), (3725, 5445), (4125, 4917)]