20535444

素因数分解:

$2^2\times 3^5\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 55383328

約数和(自身を除く): 34847884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 222, 243, 324, 333, 444, 486, 571, 666, 972, 999, 1142, 1332, 1713, 1998, 2284, 2997, 3426, 3996, 5139, 5994, 6852, 8991, 10278, 11988, 15417, 17982, 20556, 21127, 30834, 35964, 42254, 46251, 61668, 63381, 84508, 92502, 126762, 138753, 185004, 190143, 253524, 277506, 380286, 555012, 570429, 760572, 1140858, 1711287, 2281716, 3422574, 5133861, 6845148, 10267722, 20535444]

約数ペア:

[(1, 20535444), (2, 10267722), (3, 6845148), (4, 5133861), (6, 3422574), (9, 2281716), (12, 1711287), (18, 1140858), (27, 760572), (36, 570429), (37, 555012), (54, 380286), (74, 277506), (81, 253524), (108, 190143), (111, 185004), (148, 138753), (162, 126762), (222, 92502), (243, 84508), (324, 63381), (333, 61668), (444, 46251), (486, 42254), (571, 35964), (666, 30834), (972, 21127), (999, 20556), (1142, 17982), (1332, 15417), (1713, 11988), (1998, 10278), (2284, 8991), (2997, 6852), (3426, 5994), (3996, 5139)]