20218795191

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{829}}^1\times {\mathrm{3833}}^1$

素因数の和:4776

約数の個数: 48

約数和(自身を含む): 33756989760

約数和(自身を除く): 13538194569

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 829, 909, 2121, 2487, 3833, 5803, 6363, 7461, 11499, 17409, 26831, 34497, 52227, 80493, 83729, 241479, 251187, 387133, 586103, 753561, 1161399, 1758309, 2709931, 3177557, 3484197, 5274927, 8129793, 9532671, 22242899, 24389379, 28598013, 66728697, 200186091, 320933257, 962799771, 2246532799, 2888399313, 6739598397, 20218795191]

約数ペア:

[(1, 20218795191), (3, 6739598397), (7, 2888399313), (9, 2246532799), (21, 962799771), (63, 320933257), (101, 200186091), (303, 66728697), (707, 28598013), (829, 24389379), (909, 22242899), (2121, 9532671), (2487, 8129793), (3833, 5274927), (5803, 3484197), (6363, 3177557), (7461, 2709931), (11499, 1758309), (17409, 1161399), (26831, 753561), (34497, 586103), (52227, 387133), (80493, 251187), (83729, 241479)]