20100214

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 33269760

約数和(自身を除く): 13169546

約数列:

[1, 2, 19, 31, 38, 62, 113, 151, 226, 302, 589, 1178, 2147, 2869, 3503, 4294, 4681, 5738, 7006, 9362, 17063, 34126, 66557, 88939, 133114, 177878, 324197, 528953, 648394, 1057906, 10050107, 20100214]

約数ペア:

[(1, 20100214), (2, 10050107), (19, 1057906), (31, 648394), (38, 528953), (62, 324197), (113, 177878), (151, 133114), (226, 88939), (302, 66557), (589, 34126), (1178, 17063), (2147, 9362), (2869, 7006), (3503, 5738), (4294, 4681)]