20104775425

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{90247}}^1$

素因数の和:90350

約数の個数: 48

約数和(自身を含む): 30438845440

約数和(自身を除く): 10334070015

約数列:

[1, 5, 7, 19, 25, 35, 67, 95, 133, 175, 335, 469, 475, 665, 1273, 1675, 2345, 3325, 6365, 8911, 11725, 31825, 44555, 90247, 222775, 451235, 631729, 1714693, 2256175, 3158645, 6046549, 8573465, 12002851, 15793225, 30232745, 42325843, 42867325, 60014255, 114884431, 151163725, 211629215, 300071275, 574422155, 804191017, 1058146075, 2872110775, 4020955085, 20104775425]

約数ペア:

[(1, 20104775425), (5, 4020955085), (7, 2872110775), (19, 1058146075), (25, 804191017), (35, 574422155), (67, 300071275), (95, 211629215), (133, 151163725), (175, 114884431), (335, 60014255), (469, 42867325), (475, 42325843), (665, 30232745), (1273, 15793225), (1675, 12002851), (2345, 8573465), (3325, 6046549), (6365, 3158645), (8911, 2256175), (11725, 1714693), (31825, 631729), (44555, 451235), (90247, 222775)]