20120355850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{809}}^1\times {\mathrm{71059}}^1$

素因数の和:71887

約数の個数: 48

約数和(自身を含む): 42823598400

約数和(自身を除く): 22703242550

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 809, 1618, 4045, 5663, 8090, 11326, 20225, 28315, 40450, 56630, 71059, 141575, 142118, 283150, 355295, 497413, 710590, 994826, 1776475, 2487065, 3552950, 4974130, 12435325, 24870650, 57486731, 114973462, 287433655, 402407117, 574867310, 804814234, 1437168275, 2012035585, 2874336550, 4024071170, 10060177925, 20120355850]

約数ペア:

[(1, 20120355850), (2, 10060177925), (5, 4024071170), (7, 2874336550), (10, 2012035585), (14, 1437168275), (25, 804814234), (35, 574867310), (50, 402407117), (70, 287433655), (175, 114973462), (350, 57486731), (809, 24870650), (1618, 12435325), (4045, 4974130), (5663, 3552950), (8090, 2487065), (11326, 1776475), (20225, 994826), (28315, 710590), (40450, 497413), (56630, 355295), (71059, 283150), (141575, 142118)]