20154328168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{3659}}^1\times {\mathrm{52963}}^1$

素因数の和:56641

約数の個数: 32

約数和(自身を含む): 40708130400

約数和(自身を除く): 20553802232

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 3659, 7318, 14636, 29272, 47567, 52963, 95134, 105926, 190268, 211852, 380536, 423704, 688519, 1377038, 2754076, 5508152, 193791617, 387583234, 775166468, 1550332936, 2519291021, 5038582042, 10077164084, 20154328168]

約数ペア:

[(1, 20154328168), (2, 10077164084), (4, 5038582042), (8, 2519291021), (13, 1550332936), (26, 775166468), (52, 387583234), (104, 193791617), (3659, 5508152), (7318, 2754076), (14636, 1377038), (29272, 688519), (47567, 423704), (52963, 380536), (95134, 211852), (105926, 190268)]