20050716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8231}}^1$

素因数の和:8274

約数の個数: 48

約数和(自身を含む): 55319040

約数和(自身を除く): 35268324

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 8231, 16462, 24693, 32924, 49386, 57617, 98772, 115234, 172851, 230468, 238699, 345702, 477398, 691404, 716097, 954796, 1432194, 1670893, 2864388, 3341786, 5012679, 6683572, 10025358, 20050716]

約数ペア:

[(1, 20050716), (2, 10025358), (3, 6683572), (4, 5012679), (6, 3341786), (7, 2864388), (12, 1670893), (14, 1432194), (21, 954796), (28, 716097), (29, 691404), (42, 477398), (58, 345702), (84, 238699), (87, 230468), (116, 172851), (174, 115234), (203, 98772), (348, 57617), (406, 49386), (609, 32924), (812, 24693), (1218, 16462), (2436, 8231)]