20598340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6397}}^1$

素因数の和:6436

約数の個数: 48

約数和(自身を含む): 51593472

約数和(自身を除く): 30995132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 6397, 12794, 25588, 31985, 44779, 63970, 89558, 127940, 147131, 179116, 223895, 294262, 447790, 588524, 735655, 895580, 1029917, 1471310, 2059834, 2942620, 4119668, 5149585, 10299170, 20598340]

約数ペア:

[(1, 20598340), (2, 10299170), (4, 5149585), (5, 4119668), (7, 2942620), (10, 2059834), (14, 1471310), (20, 1029917), (23, 895580), (28, 735655), (35, 588524), (46, 447790), (70, 294262), (92, 223895), (115, 179116), (140, 147131), (161, 127940), (230, 89558), (322, 63970), (460, 44779), (644, 31985), (805, 25588), (1610, 12794), (3220, 6397)]