20501230

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1613}}^1$

素因数の和:1692

約数の個数: 32

約数和(自身を含む): 39045888

約数和(自身を除く): 18544658

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 155, 205, 310, 410, 1271, 1613, 2542, 3226, 6355, 8065, 12710, 16130, 50003, 66133, 100006, 132266, 250015, 330665, 500030, 661330, 2050123, 4100246, 10250615, 20501230]

約数ペア:

[(1, 20501230), (2, 10250615), (5, 4100246), (10, 2050123), (31, 661330), (41, 500030), (62, 330665), (82, 250015), (155, 132266), (205, 100006), (310, 66133), (410, 50003), (1271, 16130), (1613, 12710), (2542, 8065), (3226, 6355)]