20189802962

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{80923}}^1$

素因数の和:81254

約数の個数: 32

約数和(自身を含む): 35238841344

約数和(自身を除く): 15049038382

約数列:

[1, 2, 7, 14, 71, 142, 251, 497, 502, 994, 1757, 3514, 17821, 35642, 80923, 124747, 161846, 249494, 566461, 1132922, 5745533, 11491066, 20311673, 40218731, 40623346, 80437462, 142181711, 284363422, 1442128783, 2884257566, 10094901481, 20189802962]

約数ペア:

[(1, 20189802962), (2, 10094901481), (7, 2884257566), (14, 1442128783), (71, 284363422), (142, 142181711), (251, 80437462), (497, 40623346), (502, 40218731), (994, 20311673), (1757, 11491066), (3514, 5745533), (17821, 1132922), (35642, 566461), (80923, 249494), (124747, 161846)]