20352180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2081}}^1$

素因数の和:2256

約数の個数: 48

約数和(自身を含む): 57363264

約数和(自身を除く): 37011084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2081, 2445, 3260, 4162, 4890, 6243, 8324, 9780, 10405, 12486, 20810, 24972, 31215, 41620, 62430, 124860, 339203, 678406, 1017609, 1356812, 1696015, 2035218, 3392030, 4070436, 5088045, 6784060, 10176090, 20352180]

約数ペア:

[(1, 20352180), (2, 10176090), (3, 6784060), (4, 5088045), (5, 4070436), (6, 3392030), (10, 2035218), (12, 1696015), (15, 1356812), (20, 1017609), (30, 678406), (60, 339203), (163, 124860), (326, 62430), (489, 41620), (652, 31215), (815, 24972), (978, 20810), (1630, 12486), (1956, 10405), (2081, 9780), (2445, 8324), (3260, 6243), (4162, 4890)]