20301590

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1523}}^1$

素因数の和:1604

約数の個数: 32

約数和(自身を含む): 38624256

約数和(自身を除く): 18322666

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 155, 215, 310, 430, 1333, 1523, 2666, 3046, 6665, 7615, 13330, 15230, 47213, 65489, 94426, 130978, 236065, 327445, 472130, 654890, 2030159, 4060318, 10150795, 20301590]

約数ペア:

[(1, 20301590), (2, 10150795), (5, 4060318), (10, 2030159), (31, 654890), (43, 472130), (62, 327445), (86, 236065), (155, 130978), (215, 94426), (310, 65489), (430, 47213), (1333, 15230), (1523, 13330), (2666, 7615), (3046, 6665)]