20050884

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{317}}^1$

素因数の和:585

約数の個数: 72

約数和(自身を含む): 58339008

約数和(自身を除く): 38288124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 251, 252, 317, 502, 634, 753, 951, 1004, 1268, 1506, 1757, 1902, 2219, 2259, 2853, 3012, 3514, 3804, 4438, 4518, 5271, 5706, 6657, 7028, 8876, 9036, 10542, 11412, 13314, 15813, 19971, 21084, 26628, 31626, 39942, 63252, 79567, 79884, 159134, 238701, 318268, 477402, 556969, 716103, 954804, 1113938, 1432206, 1670907, 2227876, 2864412, 3341814, 5012721, 6683628, 10025442, 20050884]

約数ペア:

[(1, 20050884), (2, 10025442), (3, 6683628), (4, 5012721), (6, 3341814), (7, 2864412), (9, 2227876), (12, 1670907), (14, 1432206), (18, 1113938), (21, 954804), (28, 716103), (36, 556969), (42, 477402), (63, 318268), (84, 238701), (126, 159134), (251, 79884), (252, 79567), (317, 63252), (502, 39942), (634, 31626), (753, 26628), (951, 21084), (1004, 19971), (1268, 15813), (1506, 13314), (1757, 11412), (1902, 10542), (2219, 9036), (2259, 8876), (2853, 7028), (3012, 6657), (3514, 5706), (3804, 5271), (4438, 4518)]