20421576

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{40519}}^1$

素因数の和:40538

約数の個数: 48

約数和(自身を含む): 63211200

約数和(自身を除く): 42789624

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 40519, 81038, 121557, 162076, 243114, 283633, 324152, 364671, 486228, 567266, 729342, 850899, 972456, 1134532, 1458684, 1701798, 2269064, 2552697, 2917368, 3403596, 5105394, 6807192, 10210788, 20421576]

約数ペア:

[(1, 20421576), (2, 10210788), (3, 6807192), (4, 5105394), (6, 3403596), (7, 2917368), (8, 2552697), (9, 2269064), (12, 1701798), (14, 1458684), (18, 1134532), (21, 972456), (24, 850899), (28, 729342), (36, 567266), (42, 486228), (56, 364671), (63, 324152), (72, 283633), (84, 243114), (126, 162076), (168, 121557), (252, 81038), (504, 40519)]