20409240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3209}}^1$

素因数の和:3276

約数の個数: 64

約数和(自身を含む): 62402400

約数和(自身を除く): 41993160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 3209, 6360, 6418, 9627, 12836, 16045, 19254, 25672, 32090, 38508, 48135, 64180, 77016, 96270, 128360, 170077, 192540, 340154, 385080, 510231, 680308, 850385, 1020462, 1360616, 1700770, 2040924, 2551155, 3401540, 4081848, 5102310, 6803080, 10204620, 20409240]

約数ペア:

[(1, 20409240), (2, 10204620), (3, 6803080), (4, 5102310), (5, 4081848), (6, 3401540), (8, 2551155), (10, 2040924), (12, 1700770), (15, 1360616), (20, 1020462), (24, 850385), (30, 680308), (40, 510231), (53, 385080), (60, 340154), (106, 192540), (120, 170077), (159, 128360), (212, 96270), (265, 77016), (318, 64180), (424, 48135), (530, 38508), (636, 32090), (795, 25672), (1060, 19254), (1272, 16045), (1590, 12836), (2120, 9627), (3180, 6418), (3209, 6360)]