20376422145640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{55949}}^1\times {\mathrm{827719}}^1$

素因数の和:883690

約数の個数: 64

約数和(自身を含む): 50015808720000

約数和(自身を除く): 29639386574360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 55949, 111898, 223796, 279745, 447592, 559490, 615439, 827719, 1118980, 1230878, 1655438, 2237960, 2461756, 3077195, 3310876, 4138595, 4923512, 6154390, 6621752, 8277190, 9104909, 12308780, 16554380, 18209818, 24617560, 33108760, 36419636, 45524545, 72839272, 91049090, 182098180, 364196360, 46310050331, 92620100662, 185240201324, 231550251655, 370480402648, 463100503310, 509410553641, 926201006620, 1018821107282, 1852402013240, 2037642214564, 2547052768205, 4075284429128, 5094105536410, 10188211072820, 20376422145640]

約数ペア:

[(1, 20376422145640), (2, 10188211072820), (4, 5094105536410), (5, 4075284429128), (8, 2547052768205), (10, 2037642214564), (11, 1852402013240), (20, 1018821107282), (22, 926201006620), (40, 509410553641), (44, 463100503310), (55, 370480402648), (88, 231550251655), (110, 185240201324), (220, 92620100662), (440, 46310050331), (55949, 364196360), (111898, 182098180), (223796, 91049090), (279745, 72839272), (447592, 45524545), (559490, 36419636), (615439, 33108760), (827719, 24617560), (1118980, 18209818), (1230878, 16554380), (1655438, 12308780), (2237960, 9104909), (2461756, 8277190), (3077195, 6621752), (3310876, 6154390), (4138595, 4923512)]