20447400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:715

約数の個数: 96

約数和(自身を含む): 64683360

約数和(自身を除く): 44235960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 53, 60, 75, 100, 106, 120, 150, 159, 200, 212, 265, 300, 318, 424, 530, 600, 636, 643, 795, 1060, 1272, 1286, 1325, 1590, 1929, 2120, 2572, 2650, 3180, 3215, 3858, 3975, 5144, 5300, 6360, 6430, 7716, 7950, 9645, 10600, 12860, 15432, 15900, 16075, 19290, 25720, 31800, 32150, 34079, 38580, 48225, 64300, 68158, 77160, 96450, 102237, 128600, 136316, 170395, 192900, 204474, 272632, 340790, 385800, 408948, 511185, 681580, 817896, 851975, 1022370, 1363160, 1703950, 2044740, 2555925, 3407900, 4089480, 5111850, 6815800, 10223700, 20447400]

約数ペア:

[(1, 20447400), (2, 10223700), (3, 6815800), (4, 5111850), (5, 4089480), (6, 3407900), (8, 2555925), (10, 2044740), (12, 1703950), (15, 1363160), (20, 1022370), (24, 851975), (25, 817896), (30, 681580), (40, 511185), (50, 408948), (53, 385800), (60, 340790), (75, 272632), (100, 204474), (106, 192900), (120, 170395), (150, 136316), (159, 128600), (200, 102237), (212, 96450), (265, 77160), (300, 68158), (318, 64300), (424, 48225), (530, 38580), (600, 34079), (636, 32150), (643, 31800), (795, 25720), (1060, 19290), (1272, 16075), (1286, 15900), (1325, 15432), (1590, 12860), (1929, 10600), (2120, 9645), (2572, 7950), (2650, 7716), (3180, 6430), (3215, 6360), (3858, 5300), (3975, 5144)]