20833428

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3221}}^1$

素因数の和:3253

約数の個数: 72

約数和(自身を含む): 61707744

約数和(自身を除く): 40874316

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 462, 539, 588, 924, 1078, 1617, 2156, 3221, 3234, 6442, 6468, 9663, 12884, 19326, 22547, 35431, 38652, 45094, 67641, 70862, 90188, 106293, 135282, 141724, 157829, 212586, 248017, 270564, 315658, 425172, 473487, 496034, 631316, 744051, 946974, 992068, 1488102, 1736119, 1893948, 2976204, 3472238, 5208357, 6944476, 10416714, 20833428]

約数ペア:

[(1, 20833428), (2, 10416714), (3, 6944476), (4, 5208357), (6, 3472238), (7, 2976204), (11, 1893948), (12, 1736119), (14, 1488102), (21, 992068), (22, 946974), (28, 744051), (33, 631316), (42, 496034), (44, 473487), (49, 425172), (66, 315658), (77, 270564), (84, 248017), (98, 212586), (132, 157829), (147, 141724), (154, 135282), (196, 106293), (231, 90188), (294, 70862), (308, 67641), (462, 45094), (539, 38652), (588, 35431), (924, 22547), (1078, 19326), (1617, 12884), (2156, 9663), (3221, 6468), (3234, 6442)]