20996957560

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{887}}^1\times {\mathrm{6101}}^1$

素因数の和:7096

約数の個数: 64

約数和(自身を含む): 47791840320

約数和(自身を除く): 26794882760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 887, 970, 1774, 1940, 3548, 3880, 4435, 6101, 7096, 8870, 12202, 17740, 24404, 30505, 35480, 48808, 61010, 86039, 122020, 172078, 244040, 344156, 430195, 591797, 688312, 860390, 1183594, 1720780, 2367188, 2958985, 3441560, 4734376, 5411587, 5917970, 10823174, 11835940, 21646348, 23671880, 27057935, 43292696, 54115870, 108231740, 216463480, 524923939, 1049847878, 2099695756, 2624619695, 4199391512, 5249239390, 10498478780, 20996957560]

約数ペア:

[(1, 20996957560), (2, 10498478780), (4, 5249239390), (5, 4199391512), (8, 2624619695), (10, 2099695756), (20, 1049847878), (40, 524923939), (97, 216463480), (194, 108231740), (388, 54115870), (485, 43292696), (776, 27057935), (887, 23671880), (970, 21646348), (1774, 11835940), (1940, 10823174), (3548, 5917970), (3880, 5411587), (4435, 4734376), (6101, 3441560), (7096, 2958985), (8870, 2367188), (12202, 1720780), (17740, 1183594), (24404, 860390), (30505, 688312), (35480, 591797), (48808, 430195), (61010, 344156), (86039, 244040), (122020, 172078)]