20229655420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{289243}}^1$

素因数の和:289534

約数の個数: 48

約数和(自身を含む): 45920377440

約数和(自身を除く): 25690722020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 269, 538, 1076, 1345, 2690, 3497, 5380, 6994, 13988, 17485, 34970, 69940, 289243, 578486, 1156972, 1446215, 2892430, 3760159, 5784860, 7520318, 15040636, 18800795, 37601590, 75203180, 77806367, 155612734, 311225468, 389031835, 778063670, 1011482771, 1556127340, 2022965542, 4045931084, 5057413855, 10114827710, 20229655420]

約数ペア:

[(1, 20229655420), (2, 10114827710), (4, 5057413855), (5, 4045931084), (10, 2022965542), (13, 1556127340), (20, 1011482771), (26, 778063670), (52, 389031835), (65, 311225468), (130, 155612734), (260, 77806367), (269, 75203180), (538, 37601590), (1076, 18800795), (1345, 15040636), (2690, 7520318), (3497, 5784860), (5380, 3760159), (6994, 2892430), (13988, 1446215), (17485, 1156972), (34970, 578486), (69940, 289243)]