2050020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1627}}^1$

素因数の和:1649

約数の個数: 72

約数和(自身を含む): 7111104

約数和(自身を除く): 5061084

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1627, 3254, 4881, 6508, 8135, 9762, 11389, 14643, 16270, 19524, 22778, 24405, 29286, 32540, 34167, 45556, 48810, 56945, 58572, 68334, 73215, 97620, 102501, 113890, 136668, 146430, 170835, 205002, 227780, 292860, 341670, 410004, 512505, 683340, 1025010, 2050020]

約数ペア:

[(1, 2050020), (2, 1025010), (3, 683340), (4, 512505), (5, 410004), (6, 341670), (7, 292860), (9, 227780), (10, 205002), (12, 170835), (14, 146430), (15, 136668), (18, 113890), (20, 102501), (21, 97620), (28, 73215), (30, 68334), (35, 58572), (36, 56945), (42, 48810), (45, 45556), (60, 34167), (63, 32540), (70, 29286), (84, 24405), (90, 22778), (105, 19524), (126, 16270), (140, 14643), (180, 11389), (210, 9762), (252, 8135), (315, 6508), (420, 4881), (630, 3254), (1260, 1627)]