20698049248

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{4021}}^1\times {\mathrm{5189}}^1$

素因数の和:9251

約数の個数: 48

約数和(自身を含む): 42082346880

約数和(自身を除く): 21384297632

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 4021, 5189, 8042, 10378, 16084, 20756, 32168, 41512, 64336, 83024, 124651, 128672, 160859, 166048, 249302, 321718, 498604, 643436, 997208, 1286872, 1994416, 2573744, 3988832, 5147488, 20864969, 41729938, 83459876, 166919752, 333839504, 646814039, 667679008, 1293628078, 2587256156, 5174512312, 10349024624, 20698049248]

約数ペア:

[(1, 20698049248), (2, 10349024624), (4, 5174512312), (8, 2587256156), (16, 1293628078), (31, 667679008), (32, 646814039), (62, 333839504), (124, 166919752), (248, 83459876), (496, 41729938), (992, 20864969), (4021, 5147488), (5189, 3988832), (8042, 2573744), (10378, 1994416), (16084, 1286872), (20756, 997208), (32168, 643436), (41512, 498604), (64336, 321718), (83024, 249302), (124651, 166048), (128672, 160859)]