20714968

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1489}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 40766400

約数和(自身を除く): 20051432

約数列:

[1, 2, 4, 8, 37, 47, 74, 94, 148, 188, 296, 376, 1489, 1739, 2978, 3478, 5956, 6956, 11912, 13912, 55093, 69983, 110186, 139966, 220372, 279932, 440744, 559864, 2589371, 5178742, 10357484, 20714968]

約数ペア:

[(1, 20714968), (2, 10357484), (4, 5178742), (8, 2589371), (37, 559864), (47, 440744), (74, 279932), (94, 220372), (148, 139966), (188, 110186), (296, 69983), (376, 55093), (1489, 13912), (1739, 11912), (2978, 6956), (3478, 5956)]