20411928

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 59716800

約数和(自身を除く): 39304872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 43, 57, 72, 76, 86, 114, 129, 152, 171, 172, 228, 258, 342, 344, 347, 387, 456, 516, 684, 694, 774, 817, 1032, 1041, 1368, 1388, 1548, 1634, 2082, 2451, 2776, 3096, 3123, 3268, 4164, 4902, 6246, 6536, 6593, 7353, 8328, 9804, 12492, 13186, 14706, 14921, 19608, 19779, 24984, 26372, 29412, 29842, 39558, 44763, 52744, 58824, 59337, 59684, 79116, 89526, 118674, 119368, 134289, 158232, 179052, 237348, 268578, 283499, 358104, 474696, 537156, 566998, 850497, 1074312, 1133996, 1700994, 2267992, 2551491, 3401988, 5102982, 6803976, 10205964, 20411928]

約数ペア:

[(1, 20411928), (2, 10205964), (3, 6803976), (4, 5102982), (6, 3401988), (8, 2551491), (9, 2267992), (12, 1700994), (18, 1133996), (19, 1074312), (24, 850497), (36, 566998), (38, 537156), (43, 474696), (57, 358104), (72, 283499), (76, 268578), (86, 237348), (114, 179052), (129, 158232), (152, 134289), (171, 119368), (172, 118674), (228, 89526), (258, 79116), (342, 59684), (344, 59337), (347, 58824), (387, 52744), (456, 44763), (516, 39558), (684, 29842), (694, 29412), (774, 26372), (817, 24984), (1032, 19779), (1041, 19608), (1368, 14921), (1388, 14706), (1548, 13186), (1634, 12492), (2082, 9804), (2451, 8328), (2776, 7353), (3096, 6593), (3123, 6536), (3268, 6246), (4164, 4902)]