20121435368

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{349379}}^1$

素因数の和:349721

約数の個数: 32

約数和(自身を含む): 39493915200

約数和(自身を除く): 19372479832

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 313, 626, 1252, 2504, 7199, 14398, 28796, 57592, 349379, 698758, 1397516, 2795032, 8035717, 16071434, 32142868, 64285736, 109355627, 218711254, 437422508, 874845016, 2515179421, 5030358842, 10060717684, 20121435368]

約数ペア:

[(1, 20121435368), (2, 10060717684), (4, 5030358842), (8, 2515179421), (23, 874845016), (46, 437422508), (92, 218711254), (184, 109355627), (313, 64285736), (626, 32142868), (1252, 16071434), (2504, 8035717), (7199, 2795032), (14398, 1397516), (28796, 698758), (57592, 349379)]