20155668

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2749}}^1$

素因数の和:2816

約数の個数: 48

約数和(自身を含む): 51744000

約数和(自身を除く): 31588332

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 188, 282, 564, 611, 1222, 1833, 2444, 2749, 3666, 5498, 7332, 8247, 10996, 16494, 32988, 35737, 71474, 107211, 129203, 142948, 214422, 258406, 387609, 428844, 516812, 775218, 1550436, 1679639, 3359278, 5038917, 6718556, 10077834, 20155668]

約数ペア:

[(1, 20155668), (2, 10077834), (3, 6718556), (4, 5038917), (6, 3359278), (12, 1679639), (13, 1550436), (26, 775218), (39, 516812), (47, 428844), (52, 387609), (78, 258406), (94, 214422), (141, 142948), (156, 129203), (188, 107211), (282, 71474), (564, 35737), (611, 32988), (1222, 16494), (1833, 10996), (2444, 8247), (2749, 7332), (3666, 5498)]