20959999489

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{17539}}^1$

素因数の和:17761

約数の個数: 32

約数和(自身を含む): 25212136320

約数和(自身を除く): 4252136831

約数列:

[1, 11, 13, 61, 137, 143, 671, 793, 1507, 1781, 8357, 8723, 17539, 19591, 91927, 108641, 192929, 228007, 1069879, 1195051, 2402843, 2508077, 11768669, 13908427, 26431273, 31236959, 146573423, 152992697, 343606549, 1612307653, 1905454499, 20959999489]

約数ペア:

[(1, 20959999489), (11, 1905454499), (13, 1612307653), (61, 343606549), (137, 152992697), (143, 146573423), (671, 31236959), (793, 26431273), (1507, 13908427), (1781, 11768669), (8357, 2508077), (8723, 2402843), (17539, 1195051), (19591, 1069879), (91927, 228007), (108641, 192929)]