17147980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^2\times {\mathrm{191}}^1$

素因数の和:334

約数の個数: 36

約数和(自身を含む): 36747648

約数和(自身を除く): 19599668

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 191, 268, 335, 382, 670, 764, 955, 1340, 1910, 3820, 4489, 8978, 12797, 17956, 22445, 25594, 44890, 51188, 63985, 89780, 127970, 255940, 857399, 1714798, 3429596, 4286995, 8573990, 17147980]

約数ペア:

[(1, 17147980), (2, 8573990), (4, 4286995), (5, 3429596), (10, 1714798), (20, 857399), (67, 255940), (134, 127970), (191, 89780), (268, 63985), (335, 51188), (382, 44890), (670, 25594), (764, 22445), (955, 17956), (1340, 12797), (1910, 8978), (3820, 4489)]