20151828

素因数分解:

$2^2\times 3^4\times {\mathrm{37}}^1\times {\mathrm{41}}^2$

素因数の和:135

約数の個数: 90

約数和(自身を含む): 55456478

約数和(自身を除く): 35304650

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 41, 54, 74, 81, 82, 108, 111, 123, 148, 162, 164, 222, 246, 324, 333, 369, 444, 492, 666, 738, 999, 1107, 1332, 1476, 1517, 1681, 1998, 2214, 2997, 3034, 3321, 3362, 3996, 4428, 4551, 5043, 5994, 6068, 6642, 6724, 9102, 10086, 11988, 13284, 13653, 15129, 18204, 20172, 27306, 30258, 40959, 45387, 54612, 60516, 62197, 81918, 90774, 122877, 124394, 136161, 163836, 181548, 186591, 245754, 248788, 272322, 373182, 491508, 544644, 559773, 746364, 1119546, 1679319, 2239092, 3358638, 5037957, 6717276, 10075914, 20151828]

約数ペア:

[(1, 20151828), (2, 10075914), (3, 6717276), (4, 5037957), (6, 3358638), (9, 2239092), (12, 1679319), (18, 1119546), (27, 746364), (36, 559773), (37, 544644), (41, 491508), (54, 373182), (74, 272322), (81, 248788), (82, 245754), (108, 186591), (111, 181548), (123, 163836), (148, 136161), (162, 124394), (164, 122877), (222, 90774), (246, 81918), (324, 62197), (333, 60516), (369, 54612), (444, 45387), (492, 40959), (666, 30258), (738, 27306), (999, 20172), (1107, 18204), (1332, 15129), (1476, 13653), (1517, 13284), (1681, 11988), (1998, 10086), (2214, 9102), (2997, 6724), (3034, 6642), (3321, 6068), (3362, 5994), (3996, 5043), (4428, 4551)]