20109712904

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1\times {\mathrm{1861}}^1$

素因数の和:2934

約数の個数: 64

約数和(自身を含む): 39897446400

約数和(自身を除く): 19787733496

約数列:

[1, 2, 4, 8, 29, 47, 58, 94, 116, 188, 232, 376, 991, 1363, 1861, 1982, 2726, 3722, 3964, 5452, 7444, 7928, 10904, 14888, 28739, 46577, 53969, 57478, 87467, 93154, 107938, 114956, 174934, 186308, 215876, 229912, 349868, 372616, 431752, 699736, 1350733, 1844251, 2536543, 2701466, 3688502, 5073086, 5402932, 7377004, 10146172, 10805864, 14754008, 20292344, 53483279, 86679797, 106966558, 173359594, 213933116, 346719188, 427866232, 693438376, 2513714113, 5027428226, 10054856452, 20109712904]

約数ペア:

[(1, 20109712904), (2, 10054856452), (4, 5027428226), (8, 2513714113), (29, 693438376), (47, 427866232), (58, 346719188), (94, 213933116), (116, 173359594), (188, 106966558), (232, 86679797), (376, 53483279), (991, 20292344), (1363, 14754008), (1861, 10805864), (1982, 10146172), (2726, 7377004), (3722, 5402932), (3964, 5073086), (5452, 3688502), (7444, 2701466), (7928, 2536543), (10904, 1844251), (14888, 1350733), (28739, 699736), (46577, 431752), (53969, 372616), (57478, 349868), (87467, 229912), (93154, 215876), (107938, 186308), (114956, 174934)]