20951106

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 49268736

約数和(自身を除く): 28317630

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 71, 102, 142, 187, 213, 263, 374, 426, 526, 561, 781, 789, 1122, 1207, 1562, 1578, 2343, 2414, 2893, 3621, 4471, 4686, 5786, 7242, 8679, 8942, 13277, 13413, 17358, 18673, 26554, 26826, 37346, 39831, 49181, 56019, 79662, 98362, 112038, 147543, 205403, 295086, 317441, 410806, 616209, 634882, 952323, 1232418, 1904646, 3491851, 6983702, 10475553, 20951106]

約数ペア:

[(1, 20951106), (2, 10475553), (3, 6983702), (6, 3491851), (11, 1904646), (17, 1232418), (22, 952323), (33, 634882), (34, 616209), (51, 410806), (66, 317441), (71, 295086), (102, 205403), (142, 147543), (187, 112038), (213, 98362), (263, 79662), (374, 56019), (426, 49181), (526, 39831), (561, 37346), (781, 26826), (789, 26554), (1122, 18673), (1207, 17358), (1562, 13413), (1578, 13277), (2343, 8942), (2414, 8679), (2893, 7242), (3621, 5786), (4471, 4686)]