20804910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{14153}}^1$

素因数の和:14177

約数の個数: 48

約数和(自身を含む): 58088016

約数和(自身を除く): 37283106

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 14153, 28306, 42459, 70765, 84918, 99071, 141530, 198142, 212295, 297213, 424590, 495355, 594426, 693497, 990710, 1386994, 1486065, 2080491, 2972130, 3467485, 4160982, 6934970, 10402455, 20804910]

約数ペア:

[(1, 20804910), (2, 10402455), (3, 6934970), (5, 4160982), (6, 3467485), (7, 2972130), (10, 2080491), (14, 1486065), (15, 1386994), (21, 990710), (30, 693497), (35, 594426), (42, 495355), (49, 424590), (70, 297213), (98, 212295), (105, 198142), (147, 141530), (210, 99071), (245, 84918), (294, 70765), (490, 42459), (735, 28306), (1470, 14153)]