20914964

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6277}}^1$

素因数の和:6312

約数の個数: 36

約数和(自身を含む): 45088596

約数和(自身を除く): 24173632

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 476, 833, 1666, 3332, 6277, 12554, 25108, 43939, 87878, 106709, 175756, 213418, 307573, 426836, 615146, 746963, 1230292, 1493926, 2987852, 5228741, 10457482, 20914964]

約数ペア:

[(1, 20914964), (2, 10457482), (4, 5228741), (7, 2987852), (14, 1493926), (17, 1230292), (28, 746963), (34, 615146), (49, 426836), (68, 307573), (98, 213418), (119, 175756), (196, 106709), (238, 87878), (476, 43939), (833, 25108), (1666, 12554), (3332, 6277)]