20117264920

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{739}}^1\times {\mathrm{4507}}^1$

素因数の和:5408

約数の個数: 64

約数和(自身を含む): 45635385600

約数和(自身を除く): 25518120680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 739, 755, 1208, 1478, 1510, 2956, 3020, 3695, 4507, 5912, 6040, 7390, 9014, 14780, 18028, 22535, 29560, 36056, 45070, 90140, 111589, 180280, 223178, 446356, 557945, 680557, 892712, 1115890, 1361114, 2231780, 2722228, 3330673, 3402785, 4463560, 5444456, 6661346, 6805570, 13322692, 13611140, 16653365, 26645384, 27222280, 33306730, 66613460, 133226920, 502931623, 1005863246, 2011726492, 2514658115, 4023452984, 5029316230, 10058632460, 20117264920]

約数ペア:

[(1, 20117264920), (2, 10058632460), (4, 5029316230), (5, 4023452984), (8, 2514658115), (10, 2011726492), (20, 1005863246), (40, 502931623), (151, 133226920), (302, 66613460), (604, 33306730), (739, 27222280), (755, 26645384), (1208, 16653365), (1478, 13611140), (1510, 13322692), (2956, 6805570), (3020, 6661346), (3695, 5444456), (4507, 4463560), (5912, 3402785), (6040, 3330673), (7390, 2722228), (9014, 2231780), (14780, 1361114), (18028, 1115890), (22535, 892712), (29560, 680557), (36056, 557945), (45070, 446356), (90140, 223178), (111589, 180280)]