20087623157

素因数分解:

$7^4\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{647}}^1$

素因数の和:935

約数の個数: 40

約数和(自身を含む): 23944113216

約数和(自身を除く): 3856490059

約数列:

[1, 7, 49, 67, 193, 343, 469, 647, 1351, 2401, 3283, 4529, 9457, 12931, 22981, 31703, 43349, 66199, 90517, 124871, 160867, 221921, 303443, 463393, 633619, 874097, 1553447, 2124101, 4435333, 6118679, 8366357, 14868707, 31047331, 42830753, 58564499, 104080949, 299815271, 409951493, 2869660451, 20087623157]

約数ペア:

[(1, 20087623157), (7, 2869660451), (49, 409951493), (67, 299815271), (193, 104080949), (343, 58564499), (469, 42830753), (647, 31047331), (1351, 14868707), (2401, 8366357), (3283, 6118679), (4529, 4435333), (9457, 2124101), (12931, 1553447), (22981, 874097), (31703, 633619), (43349, 463393), (66199, 303443), (90517, 221921), (124871, 160867)]