20301450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:416

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 35944950

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 29, 30, 39, 50, 58, 65, 75, 78, 87, 130, 145, 150, 174, 195, 290, 325, 359, 377, 390, 435, 650, 718, 725, 754, 870, 975, 1077, 1131, 1450, 1795, 1885, 1950, 2154, 2175, 2262, 3590, 3770, 4350, 4667, 5385, 5655, 8975, 9334, 9425, 10411, 10770, 11310, 14001, 17950, 18850, 20822, 23335, 26925, 28002, 28275, 31233, 46670, 52055, 53850, 56550, 62466, 70005, 104110, 116675, 135343, 140010, 156165, 233350, 260275, 270686, 312330, 350025, 406029, 520550, 676715, 700050, 780825, 812058, 1353430, 1561650, 2030145, 3383575, 4060290, 6767150, 10150725, 20301450]

約数ペア:

[(1, 20301450), (2, 10150725), (3, 6767150), (5, 4060290), (6, 3383575), (10, 2030145), (13, 1561650), (15, 1353430), (25, 812058), (26, 780825), (29, 700050), (30, 676715), (39, 520550), (50, 406029), (58, 350025), (65, 312330), (75, 270686), (78, 260275), (87, 233350), (130, 156165), (145, 140010), (150, 135343), (174, 116675), (195, 104110), (290, 70005), (325, 62466), (359, 56550), (377, 53850), (390, 52055), (435, 46670), (650, 31233), (718, 28275), (725, 28002), (754, 26925), (870, 23335), (975, 20822), (1077, 18850), (1131, 17950), (1450, 14001), (1795, 11310), (1885, 10770), (1950, 10411), (2154, 9425), (2175, 9334), (2262, 8975), (3590, 5655), (3770, 5385), (4350, 4667)]