20357844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3527}}^1$

素因数の和:3584

約数の個数: 48

約数和(自身を含む): 52553088

約数和(自身を除く): 32195244

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3527, 5772, 7054, 10581, 14108, 21162, 42324, 45851, 91702, 130499, 137553, 183404, 260998, 275106, 391497, 521996, 550212, 782994, 1565988, 1696487, 3392974, 5089461, 6785948, 10178922, 20357844]

約数ペア:

[(1, 20357844), (2, 10178922), (3, 6785948), (4, 5089461), (6, 3392974), (12, 1696487), (13, 1565988), (26, 782994), (37, 550212), (39, 521996), (52, 391497), (74, 275106), (78, 260998), (111, 183404), (148, 137553), (156, 130499), (222, 91702), (444, 45851), (481, 42324), (962, 21162), (1443, 14108), (1924, 10581), (2886, 7054), (3527, 5772)]