20305861620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{715499}}^1$

素因数の和:715565

約数の個数: 96

約数和(自身を含む): 63467712000

約数和(自身を除く): 43161850380

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 43, 44, 55, 60, 66, 86, 110, 129, 132, 165, 172, 215, 220, 258, 330, 430, 473, 516, 645, 660, 860, 946, 1290, 1419, 1892, 2365, 2580, 2838, 4730, 5676, 7095, 9460, 14190, 28380, 715499, 1430998, 2146497, 2861996, 3577495, 4292994, 7154990, 7870489, 8585988, 10732485, 14309980, 15740978, 21464970, 23611467, 30766457, 31481956, 39352445, 42929940, 47222934, 61532914, 78704890, 92299371, 94445868, 118057335, 123065828, 153832285, 157409780, 184598742, 236114670, 307664570, 338431027, 369197484, 461496855, 472229340, 615329140, 676862054, 922993710, 1015293081, 1353724108, 1692155135, 1845987420, 2030586162, 3384310270, 4061172324, 5076465405, 6768620540, 10152930810, 20305861620]

約数ペア:

[(1, 20305861620), (2, 10152930810), (3, 6768620540), (4, 5076465405), (5, 4061172324), (6, 3384310270), (10, 2030586162), (11, 1845987420), (12, 1692155135), (15, 1353724108), (20, 1015293081), (22, 922993710), (30, 676862054), (33, 615329140), (43, 472229340), (44, 461496855), (55, 369197484), (60, 338431027), (66, 307664570), (86, 236114670), (110, 184598742), (129, 157409780), (132, 153832285), (165, 123065828), (172, 118057335), (215, 94445868), (220, 92299371), (258, 78704890), (330, 61532914), (430, 47222934), (473, 42929940), (516, 39352445), (645, 31481956), (660, 30766457), (860, 23611467), (946, 21464970), (1290, 15740978), (1419, 14309980), (1892, 10732485), (2365, 8585988), (2580, 7870489), (2838, 7154990), (4730, 4292994), (5676, 3577495), (7095, 2861996), (9460, 2146497), (14190, 1430998), (28380, 715499)]