20419152

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:828

約数の個数: 80

約数和(自身を含む): 58204608

約数和(自身を除く): 37785456

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 43, 48, 52, 78, 86, 104, 129, 156, 172, 208, 258, 312, 344, 516, 559, 624, 688, 761, 1032, 1118, 1522, 1677, 2064, 2236, 2283, 3044, 3354, 4472, 4566, 6088, 6708, 8944, 9132, 9893, 12176, 13416, 18264, 19786, 26832, 29679, 32723, 36528, 39572, 59358, 65446, 79144, 98169, 118716, 130892, 158288, 196338, 237432, 261784, 392676, 425399, 474864, 523568, 785352, 850798, 1276197, 1570704, 1701596, 2552394, 3403192, 5104788, 6806384, 10209576, 20419152]

約数ペア:

[(1, 20419152), (2, 10209576), (3, 6806384), (4, 5104788), (6, 3403192), (8, 2552394), (12, 1701596), (13, 1570704), (16, 1276197), (24, 850798), (26, 785352), (39, 523568), (43, 474864), (48, 425399), (52, 392676), (78, 261784), (86, 237432), (104, 196338), (129, 158288), (156, 130892), (172, 118716), (208, 98169), (258, 79144), (312, 65446), (344, 59358), (516, 39572), (559, 36528), (624, 32723), (688, 29679), (761, 26832), (1032, 19786), (1118, 18264), (1522, 13416), (1677, 12176), (2064, 9893), (2236, 9132), (2283, 8944), (3044, 6708), (3354, 6088), (4472, 4566)]