20407320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56687}}^1$

素因数の和:56704

約数の個数: 48

約数和(自身を含む): 66324960

約数和(自身を除く): 45917640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56687, 113374, 170061, 226748, 283435, 340122, 453496, 510183, 566870, 680244, 850305, 1020366, 1133740, 1360488, 1700610, 2040732, 2267480, 2550915, 3401220, 4081464, 5101830, 6802440, 10203660, 20407320]

約数ペア:

[(1, 20407320), (2, 10203660), (3, 6802440), (4, 5101830), (5, 4081464), (6, 3401220), (8, 2550915), (9, 2267480), (10, 2040732), (12, 1700610), (15, 1360488), (18, 1133740), (20, 1020366), (24, 850305), (30, 680244), (36, 566870), (40, 510183), (45, 453496), (60, 340122), (72, 283435), (90, 226748), (120, 170061), (180, 113374), (360, 56687)]