20125694875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1125913}}^1$

素因数の和:1125952

約数の個数: 32

約数和(自身を含む): 29507954112

約数和(自身を除く): 9382259237

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 715, 1375, 1625, 3575, 17875, 1125913, 5629565, 12385043, 14636869, 28147825, 61925215, 73184345, 140739125, 161005559, 309626075, 365921725, 805027795, 1548130375, 1829608625, 4025138975, 20125694875]

約数ペア:

[(1, 20125694875), (5, 4025138975), (11, 1829608625), (13, 1548130375), (25, 805027795), (55, 365921725), (65, 309626075), (125, 161005559), (143, 140739125), (275, 73184345), (325, 61925215), (715, 28147825), (1375, 14636869), (1625, 12385043), (3575, 5629565), (17875, 1125913)]