20152860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3691}}^1$

素因数の和:3723

約数の個数: 96

約数和(自身を含む): 69468672

約数和(自身を除く): 49315812

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 3691, 5460, 7382, 11073, 14764, 18455, 22146, 25837, 36910, 44292, 47983, 51674, 55365, 73820, 77511, 95966, 103348, 110730, 129185, 143949, 155022, 191932, 221460, 239915, 258370, 287898, 310044, 335881, 387555, 479830, 516740, 575796, 671762, 719745, 775110, 959660, 1007643, 1343524, 1439490, 1550220, 1679405, 2015286, 2878980, 3358810, 4030572, 5038215, 6717620, 10076430, 20152860]

約数ペア:

[(1, 20152860), (2, 10076430), (3, 6717620), (4, 5038215), (5, 4030572), (6, 3358810), (7, 2878980), (10, 2015286), (12, 1679405), (13, 1550220), (14, 1439490), (15, 1343524), (20, 1007643), (21, 959660), (26, 775110), (28, 719745), (30, 671762), (35, 575796), (39, 516740), (42, 479830), (52, 387555), (60, 335881), (65, 310044), (70, 287898), (78, 258370), (84, 239915), (91, 221460), (105, 191932), (130, 155022), (140, 143949), (156, 129185), (182, 110730), (195, 103348), (210, 95966), (260, 77511), (273, 73820), (364, 55365), (390, 51674), (420, 47983), (455, 44292), (546, 36910), (780, 25837), (910, 22146), (1092, 18455), (1365, 14764), (1820, 11073), (2730, 7382), (3691, 5460)]