20920392

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{7853}}^1$

素因数の和:7902

約数の個数: 48

約数和(自身を含む): 58198140

約数和(自身を除く): 37277748

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 7853, 15706, 23559, 31412, 47118, 62824, 70677, 94236, 141354, 188472, 282708, 290561, 565416, 581122, 871683, 1162244, 1743366, 2324488, 2615049, 3486732, 5230098, 6973464, 10460196, 20920392]

約数ペア:

[(1, 20920392), (2, 10460196), (3, 6973464), (4, 5230098), (6, 3486732), (8, 2615049), (9, 2324488), (12, 1743366), (18, 1162244), (24, 871683), (36, 581122), (37, 565416), (72, 290561), (74, 282708), (111, 188472), (148, 141354), (222, 94236), (296, 70677), (333, 62824), (444, 47118), (666, 31412), (888, 23559), (1332, 15706), (2664, 7853)]