20394094

素因数分解:

$2^1\times 7^4\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:198

約数の個数: 40

約数和(自身を含む): 37107648

約数和(自身を除く): 16713554

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 137, 217, 274, 343, 434, 686, 959, 1519, 1918, 2401, 3038, 4247, 4802, 6713, 8494, 10633, 13426, 21266, 29729, 46991, 59458, 74431, 93982, 148862, 208103, 328937, 416206, 657874, 1456721, 2913442, 10197047, 20394094]

約数ペア:

[(1, 20394094), (2, 10197047), (7, 2913442), (14, 1456721), (31, 657874), (49, 416206), (62, 328937), (98, 208103), (137, 148862), (217, 93982), (274, 74431), (343, 59458), (434, 46991), (686, 29729), (959, 21266), (1519, 13426), (1918, 10633), (2401, 8494), (3038, 6713), (4247, 4802)]