20345904

素因数分解:

$2^4\times 3^5\times {\mathrm{5233}}^1$

素因数の和:5256

約数の個数: 60

約数和(自身を含む): 59060456

約数和(自身を除く): 38714552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 5233, 10466, 15699, 20932, 31398, 41864, 47097, 62796, 83728, 94194, 125592, 141291, 188388, 251184, 282582, 376776, 423873, 565164, 753552, 847746, 1130328, 1271619, 1695492, 2260656, 2543238, 3390984, 5086476, 6781968, 10172952, 20345904]

約数ペア:

[(1, 20345904), (2, 10172952), (3, 6781968), (4, 5086476), (6, 3390984), (8, 2543238), (9, 2260656), (12, 1695492), (16, 1271619), (18, 1130328), (24, 847746), (27, 753552), (36, 565164), (48, 423873), (54, 376776), (72, 282582), (81, 251184), (108, 188388), (144, 141291), (162, 125592), (216, 94194), (243, 83728), (324, 62796), (432, 47097), (486, 41864), (648, 31398), (972, 20932), (1296, 15699), (1944, 10466), (3888, 5233)]