20431125

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 43610112

約数和(自身を除く): 23178987

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 45, 55, 65, 75, 99, 117, 125, 127, 143, 165, 195, 225, 275, 325, 375, 381, 429, 495, 585, 635, 715, 825, 975, 1125, 1143, 1287, 1375, 1397, 1625, 1651, 1905, 2145, 2475, 2925, 3175, 3575, 4125, 4191, 4875, 4953, 5715, 6435, 6985, 8255, 9525, 10725, 12375, 12573, 14625, 14859, 15875, 17875, 18161, 20955, 24765, 28575, 32175, 34925, 41275, 47625, 53625, 54483, 62865, 74295, 90805, 104775, 123825, 142875, 160875, 163449, 174625, 206375, 272415, 314325, 371475, 454025, 523875, 619125, 817245, 1362075, 1571625, 1857375, 2270125, 4086225, 6810375, 20431125]

約数ペア:

[(1, 20431125), (3, 6810375), (5, 4086225), (9, 2270125), (11, 1857375), (13, 1571625), (15, 1362075), (25, 817245), (33, 619125), (39, 523875), (45, 454025), (55, 371475), (65, 314325), (75, 272415), (99, 206375), (117, 174625), (125, 163449), (127, 160875), (143, 142875), (165, 123825), (195, 104775), (225, 90805), (275, 74295), (325, 62865), (375, 54483), (381, 53625), (429, 47625), (495, 41275), (585, 34925), (635, 32175), (715, 28575), (825, 24765), (975, 20955), (1125, 18161), (1143, 17875), (1287, 15875), (1375, 14859), (1397, 14625), (1625, 12573), (1651, 12375), (1905, 10725), (2145, 9525), (2475, 8255), (2925, 6985), (3175, 6435), (3575, 5715), (4125, 4953), (4191, 4875)]