20267325

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^3\times {\mathrm{41}}^1$

素因数の和:96

約数の個数: 72

約数和(自身を含む): 40283880

約数和(自身を除く): 20016555

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 41, 45, 65, 75, 117, 123, 169, 195, 205, 225, 325, 369, 507, 533, 585, 615, 845, 975, 1025, 1521, 1599, 1845, 2197, 2535, 2665, 2925, 3075, 4225, 4797, 6591, 6929, 7605, 7995, 9225, 10985, 12675, 13325, 19773, 20787, 23985, 32955, 34645, 38025, 39975, 54925, 62361, 90077, 98865, 103935, 119925, 164775, 173225, 270231, 311805, 450385, 494325, 519675, 810693, 1351155, 1559025, 2251925, 4053465, 6755775, 20267325]

約数ペア:

[(1, 20267325), (3, 6755775), (5, 4053465), (9, 2251925), (13, 1559025), (15, 1351155), (25, 810693), (39, 519675), (41, 494325), (45, 450385), (65, 311805), (75, 270231), (117, 173225), (123, 164775), (169, 119925), (195, 103935), (205, 98865), (225, 90077), (325, 62361), (369, 54925), (507, 39975), (533, 38025), (585, 34645), (615, 32955), (845, 23985), (975, 20787), (1025, 19773), (1521, 13325), (1599, 12675), (1845, 10985), (2197, 9225), (2535, 7995), (2665, 7605), (2925, 6929), (3075, 6591), (4225, 4797)]