20356452

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 53778816

約数和(自身を除く): 33422364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 53, 94, 106, 141, 159, 188, 212, 227, 282, 318, 423, 454, 477, 564, 636, 681, 846, 908, 954, 1362, 1692, 1908, 2043, 2491, 2724, 4086, 4982, 7473, 8172, 9964, 10669, 12031, 14946, 21338, 22419, 24062, 29892, 32007, 36093, 42676, 44838, 48124, 64014, 72186, 89676, 96021, 108279, 128028, 144372, 192042, 216558, 384084, 433116, 565457, 1130914, 1696371, 2261828, 3392742, 5089113, 6785484, 10178226, 20356452]

約数ペア:

[(1, 20356452), (2, 10178226), (3, 6785484), (4, 5089113), (6, 3392742), (9, 2261828), (12, 1696371), (18, 1130914), (36, 565457), (47, 433116), (53, 384084), (94, 216558), (106, 192042), (141, 144372), (159, 128028), (188, 108279), (212, 96021), (227, 89676), (282, 72186), (318, 64014), (423, 48124), (454, 44838), (477, 42676), (564, 36093), (636, 32007), (681, 29892), (846, 24062), (908, 22419), (954, 21338), (1362, 14946), (1692, 12031), (1908, 10669), (2043, 9964), (2491, 8172), (2724, 7473), (4086, 4982)]