20812765860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{1361}}^1\times {\mathrm{28319}}^1$

素因数の和:29698

約数の個数: 96

約数和(自身を含む): 64800691200

約数和(自身を除く): 43987925340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 1361, 2722, 4083, 5444, 6805, 8166, 12249, 13610, 16332, 20415, 24498, 27220, 28319, 36747, 40830, 48996, 56638, 61245, 73494, 81660, 84957, 113276, 122490, 141595, 146988, 169914, 183735, 244980, 254871, 283190, 339828, 367470, 424785, 509742, 566380, 734940, 764613, 849570, 1019484, 1274355, 1529226, 1699140, 2548710, 3058452, 3823065, 5097420, 7646130, 15292260, 38542159, 77084318, 115626477, 154168636, 192710795, 231252954, 346879431, 385421590, 462505908, 578132385, 693758862, 770843180, 1040638293, 1156264770, 1387517724, 1734397155, 2081276586, 2312529540, 3468794310, 4162553172, 5203191465, 6937588620, 10406382930, 20812765860]

約数ペア:

[(1, 20812765860), (2, 10406382930), (3, 6937588620), (4, 5203191465), (5, 4162553172), (6, 3468794310), (9, 2312529540), (10, 2081276586), (12, 1734397155), (15, 1387517724), (18, 1156264770), (20, 1040638293), (27, 770843180), (30, 693758862), (36, 578132385), (45, 462505908), (54, 385421590), (60, 346879431), (90, 231252954), (108, 192710795), (135, 154168636), (180, 115626477), (270, 77084318), (540, 38542159), (1361, 15292260), (2722, 7646130), (4083, 5097420), (5444, 3823065), (6805, 3058452), (8166, 2548710), (12249, 1699140), (13610, 1529226), (16332, 1274355), (20415, 1019484), (24498, 849570), (27220, 764613), (28319, 734940), (36747, 566380), (40830, 509742), (48996, 424785), (56638, 367470), (61245, 339828), (73494, 283190), (81660, 254871), (84957, 244980), (113276, 183735), (122490, 169914), (141595, 146988)]