20147352940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7044529}}^1$

素因数の和:7044562

約数の個数: 48

約数和(自身を含む): 49706203680

約数和(自身を除く): 29558850740

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 7044529, 14089058, 28178116, 35222645, 70445290, 77489819, 91578877, 140890580, 154979638, 183157754, 309959276, 366315508, 387449095, 457894385, 774898190, 915788770, 1007367647, 1549796380, 1831577540, 2014735294, 4029470588, 5036838235, 10073676470, 20147352940]

約数ペア:

[(1, 20147352940), (2, 10073676470), (4, 5036838235), (5, 4029470588), (10, 2014735294), (11, 1831577540), (13, 1549796380), (20, 1007367647), (22, 915788770), (26, 774898190), (44, 457894385), (52, 387449095), (55, 366315508), (65, 309959276), (110, 183157754), (130, 154979638), (143, 140890580), (220, 91578877), (260, 77489819), (286, 70445290), (572, 35222645), (715, 28178116), (1430, 14089058), (2860, 7044529)]