20652643868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{115613}}^1$

素因数の和:115742

約数の個数: 48

約数和(自身を含む): 39856307904

約数和(自身を除く): 19203664036

約数列:

[1, 2, 4, 17, 34, 37, 68, 71, 74, 142, 148, 284, 629, 1207, 1258, 2414, 2516, 2627, 4828, 5254, 10508, 44659, 89318, 115613, 178636, 231226, 462452, 1965421, 3930842, 4277681, 7861684, 8208523, 8555362, 16417046, 17110724, 32834092, 72720577, 139544891, 145441154, 279089782, 290882308, 303715351, 558179564, 607430702, 1214861404, 5163160967, 10326321934, 20652643868]

約数ペア:

[(1, 20652643868), (2, 10326321934), (4, 5163160967), (17, 1214861404), (34, 607430702), (37, 558179564), (68, 303715351), (71, 290882308), (74, 279089782), (142, 145441154), (148, 139544891), (284, 72720577), (629, 32834092), (1207, 17110724), (1258, 16417046), (2414, 8555362), (2516, 8208523), (2627, 7861684), (4828, 4277681), (5254, 3930842), (10508, 1965421), (44659, 462452), (89318, 231226), (115613, 178636)]