20278315722

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{209647}}^1$

素因数の和:209720

約数の個数: 64

約数和(自身を含む): 48302899200

約数和(自身を除く): 28024583478

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 49, 94, 98, 141, 147, 282, 294, 329, 343, 658, 686, 987, 1029, 1974, 2058, 2303, 4606, 6909, 13818, 16121, 32242, 48363, 96726, 209647, 419294, 628941, 1257882, 1467529, 2935058, 4402587, 8805174, 9853409, 10272703, 19706818, 20545406, 29560227, 30818109, 59120454, 61636218, 68973863, 71908921, 137947726, 143817842, 206921589, 215726763, 413843178, 431453526, 482817041, 965634082, 1448451123, 2896902246, 3379719287, 6759438574, 10139157861, 20278315722]

約数ペア:

[(1, 20278315722), (2, 10139157861), (3, 6759438574), (6, 3379719287), (7, 2896902246), (14, 1448451123), (21, 965634082), (42, 482817041), (47, 431453526), (49, 413843178), (94, 215726763), (98, 206921589), (141, 143817842), (147, 137947726), (282, 71908921), (294, 68973863), (329, 61636218), (343, 59120454), (658, 30818109), (686, 29560227), (987, 20545406), (1029, 19706818), (1974, 10272703), (2058, 9853409), (2303, 8805174), (4606, 4402587), (6909, 2935058), (13818, 1467529), (16121, 1257882), (32242, 628941), (48363, 419294), (96726, 209647)]