20121247968

素因数分解:

$2^5\times 3^1\times {\mathrm{191}}^1\times {\mathrm{769}}^1\times {\mathrm{1427}}^1$

素因数の和:2400

約数の個数: 96

約数和(自身を含む): 53201111040

約数和(自身を除く): 33079863072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 191, 382, 573, 764, 769, 1146, 1427, 1528, 1538, 2292, 2307, 2854, 3056, 3076, 4281, 4584, 4614, 5708, 6112, 6152, 8562, 9168, 9228, 11416, 12304, 17124, 18336, 18456, 22832, 24608, 34248, 36912, 45664, 68496, 73824, 136992, 146879, 272557, 293758, 440637, 545114, 587516, 817671, 881274, 1090228, 1097363, 1175032, 1635342, 1762548, 2180456, 2194726, 2350064, 3270684, 3292089, 3525096, 4360912, 4389452, 4700128, 6541368, 6584178, 7050192, 8721824, 8778904, 13082736, 13168356, 14100384, 17557808, 26165472, 26336712, 35115616, 52673424, 105346848, 209596333, 419192666, 628788999, 838385332, 1257577998, 1676770664, 2515155996, 3353541328, 5030311992, 6707082656, 10060623984, 20121247968]

約数ペア:

[(1, 20121247968), (2, 10060623984), (3, 6707082656), (4, 5030311992), (6, 3353541328), (8, 2515155996), (12, 1676770664), (16, 1257577998), (24, 838385332), (32, 628788999), (48, 419192666), (96, 209596333), (191, 105346848), (382, 52673424), (573, 35115616), (764, 26336712), (769, 26165472), (1146, 17557808), (1427, 14100384), (1528, 13168356), (1538, 13082736), (2292, 8778904), (2307, 8721824), (2854, 7050192), (3056, 6584178), (3076, 6541368), (4281, 4700128), (4584, 4389452), (4614, 4360912), (5708, 3525096), (6112, 3292089), (6152, 3270684), (8562, 2350064), (9168, 2194726), (9228, 2180456), (11416, 1762548), (12304, 1635342), (17124, 1175032), (18336, 1097363), (18456, 1090228), (22832, 881274), (24608, 817671), (34248, 587516), (36912, 545114), (45664, 440637), (68496, 293758), (73824, 272557), (136992, 146879)]