20793060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1627}}^1$

素因数の和:1713

約数の個数: 72

約数和(自身を含む): 63999936

約数和(自身を除く): 43206876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 1627, 2130, 2556, 3195, 3254, 4260, 4881, 6390, 6508, 8135, 9762, 12780, 14643, 16270, 19524, 24405, 29286, 32540, 48810, 58572, 73215, 97620, 115517, 146430, 231034, 292860, 346551, 462068, 577585, 693102, 1039653, 1155170, 1386204, 1732755, 2079306, 2310340, 3465510, 4158612, 5198265, 6931020, 10396530, 20793060]

約数ペア:

[(1, 20793060), (2, 10396530), (3, 6931020), (4, 5198265), (5, 4158612), (6, 3465510), (9, 2310340), (10, 2079306), (12, 1732755), (15, 1386204), (18, 1155170), (20, 1039653), (30, 693102), (36, 577585), (45, 462068), (60, 346551), (71, 292860), (90, 231034), (142, 146430), (180, 115517), (213, 97620), (284, 73215), (355, 58572), (426, 48810), (639, 32540), (710, 29286), (852, 24405), (1065, 19524), (1278, 16270), (1420, 14643), (1627, 12780), (2130, 9762), (2556, 8135), (3195, 6508), (3254, 6390), (4260, 4881)]