20807841628

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2571409}}^1$

素因数の和:2571454

約数の個数: 36

約数和(自身を含む): 44207680720

約数和(自身を除く): 23399839092

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 476, 578, 1156, 2023, 4046, 8092, 2571409, 5142818, 10285636, 17999863, 35999726, 43713953, 71999452, 87427906, 174855812, 305997671, 611995342, 743137201, 1223990684, 1486274402, 2972548804, 5201960407, 10403920814, 20807841628]

約数ペア:

[(1, 20807841628), (2, 10403920814), (4, 5201960407), (7, 2972548804), (14, 1486274402), (17, 1223990684), (28, 743137201), (34, 611995342), (68, 305997671), (119, 174855812), (238, 87427906), (289, 71999452), (476, 43713953), (578, 35999726), (1156, 17999863), (2023, 10285636), (4046, 5142818), (8092, 2571409)]