20881032

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{839}}^1$

素因数の和:926

約数の個数: 64

約数和(自身を含む): 56246400

約数和(自身を除く): 35365368

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 61, 68, 102, 122, 136, 183, 204, 244, 366, 408, 488, 732, 839, 1037, 1464, 1678, 2074, 2517, 3111, 3356, 4148, 5034, 6222, 6712, 8296, 10068, 12444, 14263, 20136, 24888, 28526, 42789, 51179, 57052, 85578, 102358, 114104, 153537, 171156, 204716, 307074, 342312, 409432, 614148, 870043, 1228296, 1740086, 2610129, 3480172, 5220258, 6960344, 10440516, 20881032]

約数ペア:

[(1, 20881032), (2, 10440516), (3, 6960344), (4, 5220258), (6, 3480172), (8, 2610129), (12, 1740086), (17, 1228296), (24, 870043), (34, 614148), (51, 409432), (61, 342312), (68, 307074), (102, 204716), (122, 171156), (136, 153537), (183, 114104), (204, 102358), (244, 85578), (366, 57052), (408, 51179), (488, 42789), (732, 28526), (839, 24888), (1037, 20136), (1464, 14263), (1678, 12444), (2074, 10068), (2517, 8296), (3111, 6712), (3356, 6222), (4148, 5034)]