20196612

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 55043352

約数和(自身を除く): 34846740

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 61, 68, 102, 122, 153, 183, 204, 244, 306, 366, 541, 549, 612, 732, 1037, 1082, 1098, 1623, 2074, 2164, 2196, 3111, 3246, 4148, 4869, 6222, 6492, 9197, 9333, 9738, 12444, 18394, 18666, 19476, 27591, 33001, 36788, 37332, 55182, 66002, 82773, 99003, 110364, 132004, 165546, 198006, 297009, 331092, 396012, 561017, 594018, 1122034, 1188036, 1683051, 2244068, 3366102, 5049153, 6732204, 10098306, 20196612]

約数ペア:

[(1, 20196612), (2, 10098306), (3, 6732204), (4, 5049153), (6, 3366102), (9, 2244068), (12, 1683051), (17, 1188036), (18, 1122034), (34, 594018), (36, 561017), (51, 396012), (61, 331092), (68, 297009), (102, 198006), (122, 165546), (153, 132004), (183, 110364), (204, 99003), (244, 82773), (306, 66002), (366, 55182), (541, 37332), (549, 36788), (612, 33001), (732, 27591), (1037, 19476), (1082, 18666), (1098, 18394), (1623, 12444), (2074, 9738), (2164, 9333), (2196, 9197), (3111, 6492), (3246, 6222), (4148, 4869)]