20852016

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 56544000

約数和(自身を除く): 35691984

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 59, 74, 111, 118, 148, 177, 199, 222, 236, 296, 354, 398, 444, 472, 592, 597, 708, 796, 888, 944, 1194, 1416, 1592, 1776, 2183, 2388, 2832, 3184, 4366, 4776, 6549, 7363, 8732, 9552, 11741, 13098, 14726, 17464, 22089, 23482, 26196, 29452, 34928, 35223, 44178, 46964, 52392, 58904, 70446, 88356, 93928, 104784, 117808, 140892, 176712, 187856, 281784, 353424, 434417, 563568, 868834, 1303251, 1737668, 2606502, 3475336, 5213004, 6950672, 10426008, 20852016]

約数ペア:

[(1, 20852016), (2, 10426008), (3, 6950672), (4, 5213004), (6, 3475336), (8, 2606502), (12, 1737668), (16, 1303251), (24, 868834), (37, 563568), (48, 434417), (59, 353424), (74, 281784), (111, 187856), (118, 176712), (148, 140892), (177, 117808), (199, 104784), (222, 93928), (236, 88356), (296, 70446), (354, 58904), (398, 52392), (444, 46964), (472, 44178), (592, 35223), (597, 34928), (708, 29452), (796, 26196), (888, 23482), (944, 22089), (1194, 17464), (1416, 14726), (1592, 13098), (1776, 11741), (2183, 9552), (2388, 8732), (2832, 7363), (3184, 6549), (4366, 4776)]