20144292500

素因数分解:

$2^2\times 5^4\times {\mathrm{191}}^1\times {\mathrm{42187}}^1$

素因数の和:42402

約数の個数: 60

約数和(自身を含む): 44283224832

約数和(自身を除く): 24138932332

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 191, 250, 382, 500, 625, 764, 955, 1250, 1910, 2500, 3820, 4775, 9550, 19100, 23875, 42187, 47750, 84374, 95500, 119375, 168748, 210935, 238750, 421870, 477500, 843740, 1054675, 2109350, 4218700, 5273375, 8057717, 10546750, 16115434, 21093500, 26366875, 32230868, 40288585, 52733750, 80577170, 105467500, 161154340, 201442925, 402885850, 805771700, 1007214625, 2014429250, 4028858500, 5036073125, 10072146250, 20144292500]

約数ペア:

[(1, 20144292500), (2, 10072146250), (4, 5036073125), (5, 4028858500), (10, 2014429250), (20, 1007214625), (25, 805771700), (50, 402885850), (100, 201442925), (125, 161154340), (191, 105467500), (250, 80577170), (382, 52733750), (500, 40288585), (625, 32230868), (764, 26366875), (955, 21093500), (1250, 16115434), (1910, 10546750), (2500, 8057717), (3820, 5273375), (4775, 4218700), (9550, 2109350), (19100, 1054675), (23875, 843740), (42187, 477500), (47750, 421870), (84374, 238750), (95500, 210935), (119375, 168748)]