20225240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{607}}^1$

素因数の和:649

約数の個数: 96

約数和(自身を含む): 56142720

約数和(自身を除く): 35917480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 85, 98, 119, 136, 140, 170, 196, 238, 245, 280, 340, 392, 476, 490, 595, 607, 680, 833, 952, 980, 1190, 1214, 1666, 1960, 2380, 2428, 3035, 3332, 4165, 4249, 4760, 4856, 6070, 6664, 8330, 8498, 10319, 12140, 16660, 16996, 20638, 21245, 24280, 29743, 33320, 33992, 41276, 42490, 51595, 59486, 72233, 82552, 84980, 103190, 118972, 144466, 148715, 169960, 206380, 237944, 288932, 297430, 361165, 412760, 505631, 577864, 594860, 722330, 1011262, 1189720, 1444660, 2022524, 2528155, 2889320, 4045048, 5056310, 10112620, 20225240]

約数ペア:

[(1, 20225240), (2, 10112620), (4, 5056310), (5, 4045048), (7, 2889320), (8, 2528155), (10, 2022524), (14, 1444660), (17, 1189720), (20, 1011262), (28, 722330), (34, 594860), (35, 577864), (40, 505631), (49, 412760), (56, 361165), (68, 297430), (70, 288932), (85, 237944), (98, 206380), (119, 169960), (136, 148715), (140, 144466), (170, 118972), (196, 103190), (238, 84980), (245, 82552), (280, 72233), (340, 59486), (392, 51595), (476, 42490), (490, 41276), (595, 33992), (607, 33320), (680, 29743), (833, 24280), (952, 21245), (980, 20638), (1190, 16996), (1214, 16660), (1666, 12140), (1960, 10319), (2380, 8498), (2428, 8330), (3035, 6664), (3332, 6070), (4165, 4856), (4249, 4760)]