20495340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3673}}^1$

素因数の和:3719

約数の個数: 72

約数和(自身を含む): 64192128

約数和(自身を除く): 43696788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 3673, 5580, 7346, 11019, 14692, 18365, 22038, 33057, 36730, 44076, 55095, 66114, 73460, 110190, 113863, 132228, 165285, 220380, 227726, 330570, 341589, 455452, 569315, 661140, 683178, 1024767, 1138630, 1366356, 1707945, 2049534, 2277260, 3415890, 4099068, 5123835, 6831780, 10247670, 20495340]

約数ペア:

[(1, 20495340), (2, 10247670), (3, 6831780), (4, 5123835), (5, 4099068), (6, 3415890), (9, 2277260), (10, 2049534), (12, 1707945), (15, 1366356), (18, 1138630), (20, 1024767), (30, 683178), (31, 661140), (36, 569315), (45, 455452), (60, 341589), (62, 330570), (90, 227726), (93, 220380), (124, 165285), (155, 132228), (180, 113863), (186, 110190), (279, 73460), (310, 66114), (372, 55095), (465, 44076), (558, 36730), (620, 33057), (930, 22038), (1116, 18365), (1395, 14692), (1860, 11019), (2790, 7346), (3673, 5580)]