20216975320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{220613}}^1$

素因数の和:220732

約数の個数: 64

約数和(自身を含む): 47652624000

約数和(自身を除く): 27435648680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 79, 116, 145, 158, 232, 290, 316, 395, 580, 632, 790, 1160, 1580, 2291, 3160, 4582, 9164, 11455, 18328, 22910, 45820, 91640, 220613, 441226, 882452, 1103065, 1764904, 2206130, 4412260, 6397777, 8824520, 12795554, 17428427, 25591108, 31988885, 34856854, 51182216, 63977770, 69713708, 87142135, 127955540, 139427416, 174284270, 255911080, 348568540, 505424383, 697137080, 1010848766, 2021697532, 2527121915, 4043395064, 5054243830, 10108487660, 20216975320]

約数ペア:

[(1, 20216975320), (2, 10108487660), (4, 5054243830), (5, 4043395064), (8, 2527121915), (10, 2021697532), (20, 1010848766), (29, 697137080), (40, 505424383), (58, 348568540), (79, 255911080), (116, 174284270), (145, 139427416), (158, 127955540), (232, 87142135), (290, 69713708), (316, 63977770), (395, 51182216), (580, 34856854), (632, 31988885), (790, 25591108), (1160, 17428427), (1580, 12795554), (2291, 8824520), (3160, 6397777), (4582, 4412260), (9164, 2206130), (11455, 1764904), (18328, 1103065), (22910, 882452), (45820, 441226), (91640, 220613)]