20163665408

素因数分解:

$2^9\times {\mathrm{151}}^1\times {\mathrm{260809}}^1$

素因数の和:260978

約数の個数: 40

約数和(自身を含む): 40554911760

約数和(自身を除く): 20391246352

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 151, 256, 302, 512, 604, 1208, 2416, 4832, 9664, 19328, 38656, 77312, 260809, 521618, 1043236, 2086472, 4172944, 8345888, 16691776, 33383552, 39382159, 66767104, 78764318, 133534208, 157528636, 315057272, 630114544, 1260229088, 2520458176, 5040916352, 10081832704, 20163665408]

約数ペア:

[(1, 20163665408), (2, 10081832704), (4, 5040916352), (8, 2520458176), (16, 1260229088), (32, 630114544), (64, 315057272), (128, 157528636), (151, 133534208), (256, 78764318), (302, 66767104), (512, 39382159), (604, 33383552), (1208, 16691776), (2416, 8345888), (4832, 4172944), (9664, 2086472), (19328, 1043236), (38656, 521618), (77312, 260809)]