20311410665

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{172357}}^1$

素因数の和:172426

約数の個数: 48

約数和(自身を含む): 31359503952

約数和(自身を除く): 11048093287

約数列:

[1, 5, 7, 13, 35, 37, 49, 65, 91, 185, 245, 259, 455, 481, 637, 1295, 1813, 2405, 3185, 3367, 9065, 16835, 23569, 117845, 172357, 861785, 1206499, 2240641, 6032495, 6377209, 8445493, 11203205, 15684487, 31886045, 42227465, 44640463, 78422435, 82903717, 109791409, 223202315, 312483241, 414518585, 548957045, 580326019, 1562416205, 2901630095, 4062282133, 20311410665]

約数ペア:

[(1, 20311410665), (5, 4062282133), (7, 2901630095), (13, 1562416205), (35, 580326019), (37, 548957045), (49, 414518585), (65, 312483241), (91, 223202315), (185, 109791409), (245, 82903717), (259, 78422435), (455, 44640463), (481, 42227465), (637, 31886045), (1295, 15684487), (1813, 11203205), (2405, 8445493), (3185, 6377209), (3367, 6032495), (9065, 2240641), (16835, 1206499), (23569, 861785), (117845, 172357)]