20408060556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43606967}}^1$

素因数の和:43606990

約数の個数: 36

約数和(自身を含む): 55555277232

約数和(自身を除く): 35147216676

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 43606967, 87213934, 130820901, 174427868, 261641802, 392462703, 523283604, 566890571, 784925406, 1133781142, 1569850812, 1700671713, 2267562284, 3401343426, 5102015139, 6802686852, 10204030278, 20408060556]

約数ペア:

[(1, 20408060556), (2, 10204030278), (3, 6802686852), (4, 5102015139), (6, 3401343426), (9, 2267562284), (12, 1700671713), (13, 1569850812), (18, 1133781142), (26, 784925406), (36, 566890571), (39, 523283604), (52, 392462703), (78, 261641802), (117, 174427868), (156, 130820901), (234, 87213934), (468, 43606967)]