20138025664

素因数分解:

$2^6\times {\mathrm{97}}^1\times {\mathrm{3243883}}^1$

素因数の和:3243992

約数の個数: 28

約数和(自身を含む): 40373380264

約数和(自身を除く): 20235354600

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 194, 388, 776, 1552, 3104, 6208, 3243883, 6487766, 12975532, 25951064, 51902128, 103804256, 207608512, 314656651, 629313302, 1258626604, 2517253208, 5034506416, 10069012832, 20138025664]

約数ペア:

[(1, 20138025664), (2, 10069012832), (4, 5034506416), (8, 2517253208), (16, 1258626604), (32, 629313302), (64, 314656651), (97, 207608512), (194, 103804256), (388, 51902128), (776, 25951064), (1552, 12975532), (3104, 6487766), (6208, 3243883)]