20598110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^2$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 42172704

約数和(自身を除く): 21574594

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 83, 115, 130, 166, 230, 299, 415, 598, 830, 1079, 1495, 1909, 2158, 2990, 3818, 5395, 6889, 9545, 10790, 13778, 19090, 24817, 34445, 49634, 68890, 89557, 124085, 158447, 179114, 248170, 316894, 447785, 792235, 895570, 1584470, 2059811, 4119622, 10299055, 20598110]

約数ペア:

[(1, 20598110), (2, 10299055), (5, 4119622), (10, 2059811), (13, 1584470), (23, 895570), (26, 792235), (46, 447785), (65, 316894), (83, 248170), (115, 179114), (130, 158447), (166, 124085), (230, 89557), (299, 68890), (415, 49634), (598, 34445), (830, 24817), (1079, 19090), (1495, 13778), (1909, 10790), (2158, 9545), (2990, 6889), (3818, 5395)]