20180843140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1914691}}^1$

素因数の和:1914748

約数の個数: 48

約数和(自身を含む): 46320228864

約数和(自身を除く): 26139385724

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 1914691, 3829382, 7658764, 9573455, 19146910, 32549747, 38293820, 59355421, 65099494, 118710842, 130198988, 162748735, 237421684, 296777105, 325497470, 593554210, 650994940, 1009042157, 1187108420, 2018084314, 4036168628, 5045210785, 10090421570, 20180843140]

約数ペア:

[(1, 20180843140), (2, 10090421570), (4, 5045210785), (5, 4036168628), (10, 2018084314), (17, 1187108420), (20, 1009042157), (31, 650994940), (34, 593554210), (62, 325497470), (68, 296777105), (85, 237421684), (124, 162748735), (155, 130198988), (170, 118710842), (310, 65099494), (340, 59355421), (527, 38293820), (620, 32549747), (1054, 19146910), (2108, 9573455), (2635, 7658764), (5270, 3829382), (10540, 1914691)]