20784048

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 56246400

約数和(自身を除く): 35462352

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 59, 82, 118, 123, 164, 177, 179, 236, 246, 328, 354, 358, 472, 492, 537, 656, 708, 716, 944, 984, 1074, 1416, 1432, 1968, 2148, 2419, 2832, 2864, 4296, 4838, 7257, 7339, 8592, 9676, 10561, 14514, 14678, 19352, 21122, 22017, 29028, 29356, 31683, 38704, 42244, 44034, 58056, 58712, 63366, 84488, 88068, 116112, 117424, 126732, 168976, 176136, 253464, 352272, 433001, 506928, 866002, 1299003, 1732004, 2598006, 3464008, 5196012, 6928016, 10392024, 20784048]

約数ペア:

[(1, 20784048), (2, 10392024), (3, 6928016), (4, 5196012), (6, 3464008), (8, 2598006), (12, 1732004), (16, 1299003), (24, 866002), (41, 506928), (48, 433001), (59, 352272), (82, 253464), (118, 176136), (123, 168976), (164, 126732), (177, 117424), (179, 116112), (236, 88068), (246, 84488), (328, 63366), (354, 58712), (358, 58056), (472, 44034), (492, 42244), (537, 38704), (656, 31683), (708, 29356), (716, 29028), (944, 22017), (984, 21122), (1074, 19352), (1416, 14678), (1432, 14514), (1968, 10561), (2148, 9676), (2419, 8592), (2832, 7339), (2864, 7257), (4296, 4838)]