20422850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 47139840

約数和(自身を除く): 26716990

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 43, 46, 50, 59, 70, 86, 115, 118, 161, 175, 215, 230, 295, 301, 322, 350, 413, 430, 575, 590, 602, 805, 826, 989, 1075, 1150, 1357, 1475, 1505, 1610, 1978, 2065, 2150, 2537, 2714, 2950, 3010, 4025, 4130, 4945, 5074, 6785, 6923, 7525, 8050, 9499, 9890, 10325, 12685, 13570, 13846, 15050, 17759, 18998, 20650, 24725, 25370, 33925, 34615, 35518, 47495, 49450, 58351, 63425, 67850, 69230, 88795, 94990, 116702, 126850, 173075, 177590, 237475, 291755, 346150, 408457, 443975, 474950, 583510, 816914, 887950, 1458775, 2042285, 2917550, 4084570, 10211425, 20422850]

約数ペア:

[(1, 20422850), (2, 10211425), (5, 4084570), (7, 2917550), (10, 2042285), (14, 1458775), (23, 887950), (25, 816914), (35, 583510), (43, 474950), (46, 443975), (50, 408457), (59, 346150), (70, 291755), (86, 237475), (115, 177590), (118, 173075), (161, 126850), (175, 116702), (215, 94990), (230, 88795), (295, 69230), (301, 67850), (322, 63425), (350, 58351), (413, 49450), (430, 47495), (575, 35518), (590, 34615), (602, 33925), (805, 25370), (826, 24725), (989, 20650), (1075, 18998), (1150, 17759), (1357, 15050), (1475, 13846), (1505, 13570), (1610, 12685), (1978, 10325), (2065, 9890), (2150, 9499), (2537, 8050), (2714, 7525), (2950, 6923), (3010, 6785), (4025, 5074), (4130, 4945)]