20545416

素因数分解:

$2^3\times 3^2\times {\mathrm{67}}^1\times {\mathrm{4259}}^1$

素因数の和:4338

約数の個数: 48

約数和(自身を含む): 56487600

約数和(自身を除く): 35942184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 67, 72, 134, 201, 268, 402, 536, 603, 804, 1206, 1608, 2412, 4259, 4824, 8518, 12777, 17036, 25554, 34072, 38331, 51108, 76662, 102216, 153324, 285353, 306648, 570706, 856059, 1141412, 1712118, 2282824, 2568177, 3424236, 5136354, 6848472, 10272708, 20545416]

約数ペア:

[(1, 20545416), (2, 10272708), (3, 6848472), (4, 5136354), (6, 3424236), (8, 2568177), (9, 2282824), (12, 1712118), (18, 1141412), (24, 856059), (36, 570706), (67, 306648), (72, 285353), (134, 153324), (201, 102216), (268, 76662), (402, 51108), (536, 38331), (603, 34072), (804, 25554), (1206, 17036), (1608, 12777), (2412, 8518), (4259, 4824)]