20430430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2557}}^1$

素因数の和:2628

約数の個数: 32

約数和(自身を含む): 39782016

約数和(自身を除く): 19351586

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 470, 799, 1598, 2557, 3995, 5114, 7990, 12785, 25570, 43469, 86938, 120179, 217345, 240358, 434690, 600895, 1201790, 2043043, 4086086, 10215215, 20430430]

約数ペア:

[(1, 20430430), (2, 10215215), (5, 4086086), (10, 2043043), (17, 1201790), (34, 600895), (47, 434690), (85, 240358), (94, 217345), (170, 120179), (235, 86938), (470, 43469), (799, 25570), (1598, 12785), (2557, 7990), (3995, 5114)]