20306075140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{691153}}^1$

素因数の和:691288

約数の個数: 48

約数和(自身を含む): 46329434928

約数和(自身を除く): 26023359788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 452, 565, 1130, 1469, 2260, 2938, 5876, 7345, 14690, 29380, 691153, 1382306, 2764612, 3455765, 6911530, 8984989, 13823060, 17969978, 35939956, 44924945, 78100289, 89849890, 156200578, 179699780, 312401156, 390501445, 781002890, 1015303757, 1562005780, 2030607514, 4061215028, 5076518785, 10153037570, 20306075140]

約数ペア:

[(1, 20306075140), (2, 10153037570), (4, 5076518785), (5, 4061215028), (10, 2030607514), (13, 1562005780), (20, 1015303757), (26, 781002890), (52, 390501445), (65, 312401156), (113, 179699780), (130, 156200578), (226, 89849890), (260, 78100289), (452, 44924945), (565, 35939956), (1130, 17969978), (1469, 13823060), (2260, 8984989), (2938, 6911530), (5876, 3455765), (7345, 2764612), (14690, 1382306), (29380, 691153)]