20925038120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1410043}}^1$

素因数の和:1410114

約数の個数: 64

約数和(自身を含む): 54822510720

約数和(自身を除く): 33897472600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2968, 3710, 7420, 14840, 1410043, 2820086, 5640172, 7050215, 9870301, 11280344, 14100430, 19740602, 28200860, 39481204, 49351505, 56401720, 74732279, 78962408, 98703010, 149464558, 197406020, 298929116, 373661395, 394812040, 523125953, 597858232, 747322790, 1046251906, 1494645580, 2092503812, 2615629765, 2989291160, 4185007624, 5231259530, 10462519060, 20925038120]

約数ペア:

[(1, 20925038120), (2, 10462519060), (4, 5231259530), (5, 4185007624), (7, 2989291160), (8, 2615629765), (10, 2092503812), (14, 1494645580), (20, 1046251906), (28, 747322790), (35, 597858232), (40, 523125953), (53, 394812040), (56, 373661395), (70, 298929116), (106, 197406020), (140, 149464558), (212, 98703010), (265, 78962408), (280, 74732279), (371, 56401720), (424, 49351505), (530, 39481204), (742, 28200860), (1060, 19740602), (1484, 14100430), (1855, 11280344), (2120, 9870301), (2968, 7050215), (3710, 5640172), (7420, 2820086), (14840, 1410043)]