20326416

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 57907008

約数和(自身を除く): 37580592

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 137, 176, 264, 274, 281, 411, 528, 548, 562, 822, 843, 1096, 1124, 1507, 1644, 1686, 2192, 2248, 3014, 3091, 3288, 3372, 4496, 4521, 6028, 6182, 6576, 6744, 9042, 9273, 12056, 12364, 13488, 18084, 18546, 24112, 24728, 36168, 37092, 38497, 49456, 72336, 74184, 76994, 115491, 148368, 153988, 230982, 307976, 423467, 461964, 615952, 846934, 923928, 1270401, 1693868, 1847856, 2540802, 3387736, 5081604, 6775472, 10163208, 20326416]

約数ペア:

[(1, 20326416), (2, 10163208), (3, 6775472), (4, 5081604), (6, 3387736), (8, 2540802), (11, 1847856), (12, 1693868), (16, 1270401), (22, 923928), (24, 846934), (33, 615952), (44, 461964), (48, 423467), (66, 307976), (88, 230982), (132, 153988), (137, 148368), (176, 115491), (264, 76994), (274, 74184), (281, 72336), (411, 49456), (528, 38497), (548, 37092), (562, 36168), (822, 24728), (843, 24112), (1096, 18546), (1124, 18084), (1507, 13488), (1644, 12364), (1686, 12056), (2192, 9273), (2248, 9042), (3014, 6744), (3091, 6576), (3288, 6182), (3372, 6028), (4496, 4521)]