20123216764

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{137653}}^1$

素因数の和:137914

約数の個数: 48

約数和(自身を含む): 42181590528

約数和(自身を除く): 22058373764

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 227, 322, 454, 644, 908, 1589, 3178, 5221, 6356, 10442, 20884, 36547, 73094, 137653, 146188, 275306, 550612, 963571, 1927142, 3166019, 3854284, 6332038, 12664076, 22162133, 31247231, 44324266, 62494462, 88648532, 124988924, 218730617, 437461234, 718686313, 874922468, 1437372626, 2874745252, 5030804191, 10061608382, 20123216764]

約数ペア:

[(1, 20123216764), (2, 10061608382), (4, 5030804191), (7, 2874745252), (14, 1437372626), (23, 874922468), (28, 718686313), (46, 437461234), (92, 218730617), (161, 124988924), (227, 88648532), (322, 62494462), (454, 44324266), (644, 31247231), (908, 22162133), (1589, 12664076), (3178, 6332038), (5221, 3854284), (6356, 3166019), (10442, 1927142), (20884, 963571), (36547, 550612), (73094, 275306), (137653, 146188)]