20464464

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:868

約数の個数: 80

約数和(自身を含む): 57853440

約数和(自身を除く): 37388976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 34, 48, 51, 62, 68, 93, 102, 124, 136, 186, 204, 248, 272, 372, 408, 496, 527, 744, 809, 816, 1054, 1488, 1581, 1618, 2108, 2427, 3162, 3236, 4216, 4854, 6324, 6472, 8432, 9708, 12648, 12944, 13753, 19416, 25079, 25296, 27506, 38832, 41259, 50158, 55012, 75237, 82518, 100316, 110024, 150474, 165036, 200632, 220048, 300948, 330072, 401264, 426343, 601896, 660144, 852686, 1203792, 1279029, 1705372, 2558058, 3410744, 5116116, 6821488, 10232232, 20464464]

約数ペア:

[(1, 20464464), (2, 10232232), (3, 6821488), (4, 5116116), (6, 3410744), (8, 2558058), (12, 1705372), (16, 1279029), (17, 1203792), (24, 852686), (31, 660144), (34, 601896), (48, 426343), (51, 401264), (62, 330072), (68, 300948), (93, 220048), (102, 200632), (124, 165036), (136, 150474), (186, 110024), (204, 100316), (248, 82518), (272, 75237), (372, 55012), (408, 50158), (496, 41259), (527, 38832), (744, 27506), (809, 25296), (816, 25079), (1054, 19416), (1488, 13753), (1581, 12944), (1618, 12648), (2108, 9708), (2427, 8432), (3162, 6472), (3236, 6324), (4216, 4854)]