20785989096

素因数分解:

$2^3\times 3^3\times {\mathrm{383}}^1\times {\mathrm{251257}}^1$

素因数の和:251655

約数の個数: 64

約数和(自身を含む): 57889843200

約数和(自身を除く): 37103854104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 383, 766, 1149, 1532, 2298, 3064, 3447, 4596, 6894, 9192, 10341, 13788, 20682, 27576, 41364, 82728, 251257, 502514, 753771, 1005028, 1507542, 2010056, 2261313, 3015084, 4522626, 6030168, 6783939, 9045252, 13567878, 18090504, 27135756, 54271512, 96231431, 192462862, 288694293, 384925724, 577388586, 769851448, 866082879, 1154777172, 1732165758, 2309554344, 2598248637, 3464331516, 5196497274, 6928663032, 10392994548, 20785989096]

約数ペア:

[(1, 20785989096), (2, 10392994548), (3, 6928663032), (4, 5196497274), (6, 3464331516), (8, 2598248637), (9, 2309554344), (12, 1732165758), (18, 1154777172), (24, 866082879), (27, 769851448), (36, 577388586), (54, 384925724), (72, 288694293), (108, 192462862), (216, 96231431), (383, 54271512), (766, 27135756), (1149, 18090504), (1532, 13567878), (2298, 9045252), (3064, 6783939), (3447, 6030168), (4596, 4522626), (6894, 3015084), (9192, 2261313), (10341, 2010056), (13788, 1507542), (20682, 1005028), (27576, 753771), (41364, 502514), (82728, 251257)]