20113420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32441}}^1$

素因数の和:32481

約数の個数: 24

約数和(自身を含む): 43602048

約数和(自身を除く): 23488628

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32441, 64882, 129764, 162205, 324410, 648820, 1005671, 2011342, 4022684, 5028355, 10056710, 20113420]

約数ペア:

[(1, 20113420), (2, 10056710), (4, 5028355), (5, 4022684), (10, 2011342), (20, 1005671), (31, 648820), (62, 324410), (124, 162205), (155, 129764), (310, 64882), (620, 32441)]