20197797375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{809}}^1\times {\mathrm{9511}}^1$

素因数の和:10345

約数の個数: 64

約数和(自身を含む): 38461962240

約数和(自身を除く): 18264164865

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 809, 875, 2427, 2625, 4045, 5663, 9511, 12135, 16989, 20225, 28315, 28533, 47555, 60675, 66577, 84945, 101125, 141575, 142665, 199731, 237775, 303375, 332885, 424725, 707875, 713325, 998655, 1188875, 1664425, 2123625, 3566625, 4993275, 7694399, 8322125, 23083197, 24966375, 38471995, 53860793, 115415985, 161582379, 192359975, 269303965, 577079925, 807911895, 961799875, 1346519825, 2885399625, 4039559475, 6732599125, 20197797375]

約数ペア:

[(1, 20197797375), (3, 6732599125), (5, 4039559475), (7, 2885399625), (15, 1346519825), (21, 961799875), (25, 807911895), (35, 577079925), (75, 269303965), (105, 192359975), (125, 161582379), (175, 115415985), (375, 53860793), (525, 38471995), (809, 24966375), (875, 23083197), (2427, 8322125), (2625, 7694399), (4045, 4993275), (5663, 3566625), (9511, 2123625), (12135, 1664425), (16989, 1188875), (20225, 998655), (28315, 713325), (28533, 707875), (47555, 424725), (60675, 332885), (66577, 303375), (84945, 237775), (101125, 199731), (141575, 142665)]