20165238724

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{25097}}^1$

素因数の和:25288

約数の個数: 48

約数和(自身を含む): 37252459440

約数和(自身を除く): 17087220716

約数列:

[1, 2, 4, 37, 61, 74, 89, 122, 148, 178, 244, 356, 2257, 3293, 4514, 5429, 6586, 9028, 10858, 13172, 21716, 25097, 50194, 100388, 200873, 401746, 803492, 928589, 1530917, 1857178, 2233633, 3061834, 3714356, 4467266, 6123668, 8934532, 56643929, 82644421, 113287858, 136251613, 165288842, 226575716, 272503226, 330577684, 545006452, 5041309681, 10082619362, 20165238724]

約数ペア:

[(1, 20165238724), (2, 10082619362), (4, 5041309681), (37, 545006452), (61, 330577684), (74, 272503226), (89, 226575716), (122, 165288842), (148, 136251613), (178, 113287858), (244, 82644421), (356, 56643929), (2257, 8934532), (3293, 6123668), (4514, 4467266), (5429, 3714356), (6586, 3061834), (9028, 2233633), (10858, 1857178), (13172, 1530917), (21716, 928589), (25097, 803492), (50194, 401746), (100388, 200873)]