20583180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{811}}^1$

素因数の和:876

約数の個数: 96

約数和(自身を含む): 65479680

約数和(自身を除く): 44896500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 90, 94, 108, 135, 141, 180, 188, 235, 270, 282, 423, 470, 540, 564, 705, 811, 846, 940, 1269, 1410, 1622, 1692, 2115, 2433, 2538, 2820, 3244, 4055, 4230, 4866, 5076, 6345, 7299, 8110, 8460, 9732, 12165, 12690, 14598, 16220, 21897, 24330, 25380, 29196, 36495, 38117, 43794, 48660, 72990, 76234, 87588, 109485, 114351, 145980, 152468, 190585, 218970, 228702, 343053, 381170, 437940, 457404, 571755, 686106, 762340, 1029159, 1143510, 1372212, 1715265, 2058318, 2287020, 3430530, 4116636, 5145795, 6861060, 10291590, 20583180]

約数ペア:

[(1, 20583180), (2, 10291590), (3, 6861060), (4, 5145795), (5, 4116636), (6, 3430530), (9, 2287020), (10, 2058318), (12, 1715265), (15, 1372212), (18, 1143510), (20, 1029159), (27, 762340), (30, 686106), (36, 571755), (45, 457404), (47, 437940), (54, 381170), (60, 343053), (90, 228702), (94, 218970), (108, 190585), (135, 152468), (141, 145980), (180, 114351), (188, 109485), (235, 87588), (270, 76234), (282, 72990), (423, 48660), (470, 43794), (540, 38117), (564, 36495), (705, 29196), (811, 25380), (846, 24330), (940, 21897), (1269, 16220), (1410, 14598), (1622, 12690), (1692, 12165), (2115, 9732), (2433, 8460), (2538, 8110), (2820, 7299), (3244, 6345), (4055, 5076), (4230, 4866)]