20493768

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 53524800

約数和(自身を除く): 33031032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 59, 82, 118, 123, 164, 177, 236, 246, 328, 353, 354, 472, 492, 706, 708, 984, 1059, 1412, 1416, 2118, 2419, 2824, 4236, 4838, 7257, 8472, 9676, 14473, 14514, 19352, 20827, 28946, 29028, 41654, 43419, 57892, 58056, 62481, 83308, 86838, 115784, 124962, 166616, 173676, 249924, 347352, 499848, 853907, 1707814, 2561721, 3415628, 5123442, 6831256, 10246884, 20493768]

約数ペア:

[(1, 20493768), (2, 10246884), (3, 6831256), (4, 5123442), (6, 3415628), (8, 2561721), (12, 1707814), (24, 853907), (41, 499848), (59, 347352), (82, 249924), (118, 173676), (123, 166616), (164, 124962), (177, 115784), (236, 86838), (246, 83308), (328, 62481), (353, 58056), (354, 57892), (472, 43419), (492, 41654), (706, 29028), (708, 28946), (984, 20827), (1059, 19352), (1412, 14514), (1416, 14473), (2118, 9676), (2419, 8472), (2824, 7257), (4236, 4838)]