20156112

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 120

約数和(自身を含む): 60933600

約数和(自身を除く): 40777488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 53, 57, 72, 76, 106, 114, 139, 144, 152, 159, 171, 212, 228, 278, 304, 318, 342, 417, 424, 456, 477, 556, 636, 684, 834, 848, 912, 954, 1007, 1112, 1251, 1272, 1368, 1668, 1908, 2014, 2224, 2502, 2544, 2641, 2736, 3021, 3336, 3816, 4028, 5004, 5282, 6042, 6672, 7367, 7632, 7923, 8056, 9063, 10008, 10564, 12084, 14734, 15846, 16112, 18126, 20016, 21128, 22101, 23769, 24168, 29468, 31692, 36252, 42256, 44202, 47538, 48336, 58936, 63384, 66303, 72504, 88404, 95076, 117872, 126768, 132606, 139973, 145008, 176808, 190152, 265212, 279946, 353616, 380304, 419919, 530424, 559892, 839838, 1060848, 1119784, 1259757, 1679676, 2239568, 2519514, 3359352, 5039028, 6718704, 10078056, 20156112]

約数ペア:

[(1, 20156112), (2, 10078056), (3, 6718704), (4, 5039028), (6, 3359352), (8, 2519514), (9, 2239568), (12, 1679676), (16, 1259757), (18, 1119784), (19, 1060848), (24, 839838), (36, 559892), (38, 530424), (48, 419919), (53, 380304), (57, 353616), (72, 279946), (76, 265212), (106, 190152), (114, 176808), (139, 145008), (144, 139973), (152, 132606), (159, 126768), (171, 117872), (212, 95076), (228, 88404), (278, 72504), (304, 66303), (318, 63384), (342, 58936), (417, 48336), (424, 47538), (456, 44202), (477, 42256), (556, 36252), (636, 31692), (684, 29468), (834, 24168), (848, 23769), (912, 22101), (954, 21128), (1007, 20016), (1112, 18126), (1251, 16112), (1272, 15846), (1368, 14734), (1668, 12084), (1908, 10564), (2014, 10008), (2224, 9063), (2502, 8056), (2544, 7923), (2641, 7632), (2736, 7367), (3021, 6672), (3336, 6042), (3816, 5282), (4028, 5004)]