20344842

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2647}}^1$

素因数の和:2723

約数の個数: 48

約数和(自身を含む): 51222912

約数和(自身を除く): 30878070

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 2647, 3843, 5294, 7686, 7941, 15882, 18529, 23823, 37058, 47646, 55587, 111174, 161467, 166761, 322934, 333522, 484401, 968802, 1130269, 1453203, 2260538, 2906406, 3390807, 6781614, 10172421, 20344842]

約数ペア:

[(1, 20344842), (2, 10172421), (3, 6781614), (6, 3390807), (7, 2906406), (9, 2260538), (14, 1453203), (18, 1130269), (21, 968802), (42, 484401), (61, 333522), (63, 322934), (122, 166761), (126, 161467), (183, 111174), (366, 55587), (427, 47646), (549, 37058), (854, 23823), (1098, 18529), (1281, 15882), (2562, 7941), (2647, 7686), (3843, 5294)]