20329725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{719}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 37497600

約数和(自身を除く): 17167875

約数列:

[1, 3, 5, 13, 15, 25, 29, 39, 65, 75, 87, 145, 195, 325, 377, 435, 719, 725, 975, 1131, 1885, 2157, 2175, 3595, 5655, 9347, 9425, 10785, 17975, 20851, 28041, 28275, 46735, 53925, 62553, 104255, 140205, 233675, 271063, 312765, 521275, 701025, 813189, 1355315, 1563825, 4065945, 6776575, 20329725]

約数ペア:

[(1, 20329725), (3, 6776575), (5, 4065945), (13, 1563825), (15, 1355315), (25, 813189), (29, 701025), (39, 521275), (65, 312765), (75, 271063), (87, 233675), (145, 140205), (195, 104255), (325, 62553), (377, 53925), (435, 46735), (719, 28275), (725, 28041), (975, 20851), (1131, 17975), (1885, 10785), (2157, 9425), (2175, 9347), (3595, 5655)]