20683040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:394

約数の個数: 96

約数和(自身を含む): 56972160

約数和(自身を除く): 36289120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 59, 70, 80, 112, 118, 140, 160, 224, 236, 280, 295, 313, 413, 472, 560, 590, 626, 826, 944, 1120, 1180, 1252, 1565, 1652, 1888, 2065, 2191, 2360, 2504, 3130, 3304, 4130, 4382, 4720, 5008, 6260, 6608, 8260, 8764, 9440, 10016, 10955, 12520, 13216, 16520, 17528, 18467, 21910, 25040, 33040, 35056, 36934, 43820, 50080, 66080, 70112, 73868, 87640, 92335, 129269, 147736, 175280, 184670, 258538, 295472, 350560, 369340, 517076, 590944, 646345, 738680, 1034152, 1292690, 1477360, 2068304, 2585380, 2954720, 4136608, 5170760, 10341520, 20683040]

約数ペア:

[(1, 20683040), (2, 10341520), (4, 5170760), (5, 4136608), (7, 2954720), (8, 2585380), (10, 2068304), (14, 1477360), (16, 1292690), (20, 1034152), (28, 738680), (32, 646345), (35, 590944), (40, 517076), (56, 369340), (59, 350560), (70, 295472), (80, 258538), (112, 184670), (118, 175280), (140, 147736), (160, 129269), (224, 92335), (236, 87640), (280, 73868), (295, 70112), (313, 66080), (413, 50080), (472, 43820), (560, 36934), (590, 35056), (626, 33040), (826, 25040), (944, 21910), (1120, 18467), (1180, 17528), (1252, 16520), (1565, 13216), (1652, 12520), (1888, 10955), (2065, 10016), (2191, 9440), (2360, 8764), (2504, 8260), (3130, 6608), (3304, 6260), (4130, 5008), (4382, 4720)]