16943980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{27329}}^1$

素因数の和:27369

約数の個数: 24

約数和(自身を含む): 36731520

約数和(自身を除く): 19787540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 27329, 54658, 109316, 136645, 273290, 546580, 847199, 1694398, 3388796, 4235995, 8471990, 16943980]

約数ペア:

[(1, 16943980), (2, 8471990), (4, 4235995), (5, 3388796), (10, 1694398), (20, 847199), (31, 546580), (62, 273290), (124, 136645), (155, 109316), (310, 54658), (620, 27329)]