20743125

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:96

約数の個数: 80

約数和(自身を含む): 39887232

約数和(自身を除く): 19144107

約数列:

[1, 3, 5, 13, 15, 23, 25, 37, 39, 65, 69, 75, 111, 115, 125, 185, 195, 299, 325, 345, 375, 481, 555, 575, 625, 851, 897, 925, 975, 1443, 1495, 1625, 1725, 1875, 2405, 2553, 2775, 2875, 4255, 4485, 4625, 4875, 7215, 7475, 8125, 8625, 11063, 12025, 12765, 13875, 14375, 21275, 22425, 23125, 24375, 33189, 36075, 37375, 43125, 55315, 60125, 63825, 69375, 106375, 112125, 165945, 180375, 186875, 276575, 300625, 319125, 531875, 560625, 829725, 901875, 1382875, 1595625, 4148625, 6914375, 20743125]

約数ペア:

[(1, 20743125), (3, 6914375), (5, 4148625), (13, 1595625), (15, 1382875), (23, 901875), (25, 829725), (37, 560625), (39, 531875), (65, 319125), (69, 300625), (75, 276575), (111, 186875), (115, 180375), (125, 165945), (185, 112125), (195, 106375), (299, 69375), (325, 63825), (345, 60125), (375, 55315), (481, 43125), (555, 37375), (575, 36075), (625, 33189), (851, 24375), (897, 23125), (925, 22425), (975, 21275), (1443, 14375), (1495, 13875), (1625, 12765), (1725, 12025), (1875, 11063), (2405, 8625), (2553, 8125), (2775, 7475), (2875, 7215), (4255, 4875), (4485, 4625)]