16973780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 37013760

約数和(自身を除く): 20039980

約数列:

[1, 2, 4, 5, 10, 20, 53, 67, 106, 134, 212, 239, 265, 268, 335, 478, 530, 670, 956, 1060, 1195, 1340, 2390, 3551, 4780, 7102, 12667, 14204, 16013, 17755, 25334, 32026, 35510, 50668, 63335, 64052, 71020, 80065, 126670, 160130, 253340, 320260, 848689, 1697378, 3394756, 4243445, 8486890, 16973780]

約数ペア:

[(1, 16973780), (2, 8486890), (4, 4243445), (5, 3394756), (10, 1697378), (20, 848689), (53, 320260), (67, 253340), (106, 160130), (134, 126670), (212, 80065), (239, 71020), (265, 64052), (268, 63335), (335, 50668), (478, 35510), (530, 32026), (670, 25334), (956, 17755), (1060, 16013), (1195, 14204), (1340, 12667), (2390, 7102), (3551, 4780)]