20296430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 46683648

約数和(自身を除く): 26387218

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 43, 55, 70, 77, 86, 110, 154, 215, 301, 385, 430, 473, 602, 613, 770, 946, 1226, 1505, 2365, 3010, 3065, 3311, 4291, 4730, 6130, 6622, 6743, 8582, 13486, 16555, 21455, 26359, 33110, 33715, 42910, 47201, 52718, 67430, 94402, 131795, 184513, 236005, 263590, 289949, 369026, 472010, 579898, 922565, 1449745, 1845130, 2029643, 2899490, 4059286, 10148215, 20296430]

約数ペア:

[(1, 20296430), (2, 10148215), (5, 4059286), (7, 2899490), (10, 2029643), (11, 1845130), (14, 1449745), (22, 922565), (35, 579898), (43, 472010), (55, 369026), (70, 289949), (77, 263590), (86, 236005), (110, 184513), (154, 131795), (215, 94402), (301, 67430), (385, 52718), (430, 47201), (473, 42910), (602, 33715), (613, 33110), (770, 26359), (946, 21455), (1226, 16555), (1505, 13486), (2365, 8582), (3010, 6743), (3065, 6622), (3311, 6130), (4291, 4730)]