20803980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3433}}^1$

素因数の和:3546

約数の個数: 48

約数和(自身を含む): 58845024

約数和(自身を除く): 38041044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 3433, 6060, 6866, 10299, 13732, 17165, 20598, 34330, 41196, 51495, 68660, 102990, 205980, 346733, 693466, 1040199, 1386932, 1733665, 2080398, 3467330, 4160796, 5200995, 6934660, 10401990, 20803980]

約数ペア:

[(1, 20803980), (2, 10401990), (3, 6934660), (4, 5200995), (5, 4160796), (6, 3467330), (10, 2080398), (12, 1733665), (15, 1386932), (20, 1040199), (30, 693466), (60, 346733), (101, 205980), (202, 102990), (303, 68660), (404, 51495), (505, 41196), (606, 34330), (1010, 20598), (1212, 17165), (1515, 13732), (2020, 10299), (3030, 6866), (3433, 6060)]