20080188

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:1007

約数の個数: 72

約数和(自身を含む): 55211520

約数和(自身を除く): 35131332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 372, 558, 589, 684, 947, 1116, 1178, 1767, 1894, 2356, 2841, 3534, 3788, 5301, 5682, 7068, 8523, 10602, 11364, 17046, 17993, 21204, 29357, 34092, 35986, 53979, 58714, 71972, 88071, 107958, 117428, 161937, 176142, 215916, 264213, 323874, 352284, 528426, 557783, 647748, 1056852, 1115566, 1673349, 2231132, 3346698, 5020047, 6693396, 10040094, 20080188]

約数ペア:

[(1, 20080188), (2, 10040094), (3, 6693396), (4, 5020047), (6, 3346698), (9, 2231132), (12, 1673349), (18, 1115566), (19, 1056852), (31, 647748), (36, 557783), (38, 528426), (57, 352284), (62, 323874), (76, 264213), (93, 215916), (114, 176142), (124, 161937), (171, 117428), (186, 107958), (228, 88071), (279, 71972), (342, 58714), (372, 53979), (558, 35986), (589, 34092), (684, 29357), (947, 21204), (1116, 17993), (1178, 17046), (1767, 11364), (1894, 10602), (2356, 8523), (2841, 7068), (3534, 5682), (3788, 5301)]