20764650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{479}}^1$

素因数の和:528

約数の個数: 72

約数和(自身を含む): 54817920

約数和(自身を除く): 34053270

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 150, 170, 255, 289, 425, 479, 510, 578, 850, 867, 958, 1275, 1437, 1445, 1734, 2395, 2550, 2874, 2890, 4335, 4790, 7185, 7225, 8143, 8670, 11975, 14370, 14450, 16286, 21675, 23950, 24429, 35925, 40715, 43350, 48858, 71850, 81430, 122145, 138431, 203575, 244290, 276862, 407150, 415293, 610725, 692155, 830586, 1221450, 1384310, 2076465, 3460775, 4152930, 6921550, 10382325, 20764650]

約数ペア:

[(1, 20764650), (2, 10382325), (3, 6921550), (5, 4152930), (6, 3460775), (10, 2076465), (15, 1384310), (17, 1221450), (25, 830586), (30, 692155), (34, 610725), (50, 415293), (51, 407150), (75, 276862), (85, 244290), (102, 203575), (150, 138431), (170, 122145), (255, 81430), (289, 71850), (425, 48858), (479, 43350), (510, 40715), (578, 35925), (850, 24429), (867, 23950), (958, 21675), (1275, 16286), (1437, 14450), (1445, 14370), (1734, 11975), (2395, 8670), (2550, 8143), (2874, 7225), (2890, 7185), (4335, 4790)]