20929300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1031}}^1$

素因数の和:1081

約数の個数: 72

約数和(自身を含む): 53746560

約数和(自身を除く): 32817260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 140, 145, 175, 203, 290, 350, 406, 580, 700, 725, 812, 1015, 1031, 1450, 2030, 2062, 2900, 4060, 4124, 5075, 5155, 7217, 10150, 10310, 14434, 20300, 20620, 25775, 28868, 29899, 36085, 51550, 59798, 72170, 103100, 119596, 144340, 149495, 180425, 209293, 298990, 360850, 418586, 597980, 721700, 747475, 837172, 1046465, 1494950, 2092930, 2989900, 4185860, 5232325, 10464650, 20929300]

約数ペア:

[(1, 20929300), (2, 10464650), (4, 5232325), (5, 4185860), (7, 2989900), (10, 2092930), (14, 1494950), (20, 1046465), (25, 837172), (28, 747475), (29, 721700), (35, 597980), (50, 418586), (58, 360850), (70, 298990), (100, 209293), (116, 180425), (140, 149495), (145, 144340), (175, 119596), (203, 103100), (290, 72170), (350, 59798), (406, 51550), (580, 36085), (700, 29899), (725, 28868), (812, 25775), (1015, 20620), (1031, 20300), (1450, 14434), (2030, 10310), (2062, 10150), (2900, 7217), (4060, 5155), (4124, 5075)]