20565523875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4218569}}^1$

素因数の和:4218600

約数の個数: 32

約数和(自身を含む): 36853427520

約数和(自身を除く): 16287903645

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4875, 4218569, 12655707, 21092845, 54841397, 63278535, 105464225, 164524191, 274206985, 316392675, 527321125, 822620955, 1371034925, 1581963375, 4113104775, 6855174625, 20565523875]

約数ペア:

[(1, 20565523875), (3, 6855174625), (5, 4113104775), (13, 1581963375), (15, 1371034925), (25, 822620955), (39, 527321125), (65, 316392675), (75, 274206985), (125, 164524191), (195, 105464225), (325, 63278535), (375, 54841397), (975, 21092845), (1625, 12655707), (4875, 4218569)]