20636504

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 47822400

約数和(自身を除く): 27185896

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 53, 56, 68, 106, 119, 136, 212, 238, 371, 409, 424, 476, 742, 818, 901, 952, 1484, 1636, 1802, 2863, 2968, 3272, 3604, 5726, 6307, 6953, 7208, 11452, 12614, 13906, 21677, 22904, 25228, 27812, 43354, 48671, 50456, 55624, 86708, 97342, 151739, 173416, 194684, 303478, 368509, 389368, 606956, 737018, 1213912, 1474036, 2579563, 2948072, 5159126, 10318252, 20636504]

約数ペア:

[(1, 20636504), (2, 10318252), (4, 5159126), (7, 2948072), (8, 2579563), (14, 1474036), (17, 1213912), (28, 737018), (34, 606956), (53, 389368), (56, 368509), (68, 303478), (106, 194684), (119, 173416), (136, 151739), (212, 97342), (238, 86708), (371, 55624), (409, 50456), (424, 48671), (476, 43354), (742, 27812), (818, 25228), (901, 22904), (952, 21677), (1484, 13906), (1636, 12614), (1802, 11452), (2863, 7208), (2968, 6953), (3272, 6307), (3604, 5726)]