20210212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{659}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 41912640

約数和(自身を除く): 21702428

約数列:

[1, 2, 4, 11, 17, 22, 34, 41, 44, 68, 82, 164, 187, 374, 451, 659, 697, 748, 902, 1318, 1394, 1804, 2636, 2788, 7249, 7667, 11203, 14498, 15334, 22406, 27019, 28996, 30668, 44812, 54038, 108076, 123233, 246466, 297209, 459323, 492932, 594418, 918646, 1188836, 1837292, 5052553, 10105106, 20210212]

約数ペア:

[(1, 20210212), (2, 10105106), (4, 5052553), (11, 1837292), (17, 1188836), (22, 918646), (34, 594418), (41, 492932), (44, 459323), (68, 297209), (82, 246466), (164, 123233), (187, 108076), (374, 54038), (451, 44812), (659, 30668), (697, 28996), (748, 27019), (902, 22406), (1318, 15334), (1394, 14498), (1804, 11203), (2636, 7667), (2788, 7249)]