20834790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:605

約数の個数: 64

約数和(自身を含む): 52918272

約数和(自身を除く): 32083482

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 43, 62, 86, 93, 129, 155, 186, 215, 258, 310, 430, 465, 521, 645, 930, 1042, 1290, 1333, 1563, 2605, 2666, 3126, 3999, 5210, 6665, 7815, 7998, 13330, 15630, 16151, 19995, 22403, 32302, 39990, 44806, 48453, 67209, 80755, 96906, 112015, 134418, 161510, 224030, 242265, 336045, 484530, 672090, 694493, 1388986, 2083479, 3472465, 4166958, 6944930, 10417395, 20834790]

約数ペア:

[(1, 20834790), (2, 10417395), (3, 6944930), (5, 4166958), (6, 3472465), (10, 2083479), (15, 1388986), (30, 694493), (31, 672090), (43, 484530), (62, 336045), (86, 242265), (93, 224030), (129, 161510), (155, 134418), (186, 112015), (215, 96906), (258, 80755), (310, 67209), (430, 48453), (465, 44806), (521, 39990), (645, 32302), (930, 22403), (1042, 19995), (1290, 16151), (1333, 15630), (1563, 13330), (2605, 7998), (2666, 7815), (3126, 6665), (3999, 5210)]