20148030868

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{78121}}^1$

素因数の和:78344

約数の個数: 48

約数和(自身を含む): 41228416768

約数和(自身を除く): 21080385900

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 151, 244, 302, 427, 604, 854, 1057, 1708, 2114, 4228, 9211, 18422, 36844, 64477, 78121, 128954, 156242, 257908, 312484, 546847, 1093694, 2187388, 4765381, 9530762, 11796271, 19061524, 23592542, 33357667, 47185084, 66715334, 82573897, 133430668, 165147794, 330295588, 719572531, 1439145062, 2878290124, 5037007717, 10074015434, 20148030868]

約数ペア:

[(1, 20148030868), (2, 10074015434), (4, 5037007717), (7, 2878290124), (14, 1439145062), (28, 719572531), (61, 330295588), (122, 165147794), (151, 133430668), (244, 82573897), (302, 66715334), (427, 47185084), (604, 33357667), (854, 23592542), (1057, 19061524), (1708, 11796271), (2114, 9530762), (4228, 4765381), (9211, 2187388), (18422, 1093694), (36844, 546847), (64477, 312484), (78121, 257908), (128954, 156242)]