20073368320

素因数分解:

$2^8\times 5^1\times {\mathrm{739}}^1\times {\mathrm{21221}}^1$

素因数の和:21981

約数の個数: 72

約数和(自身を含む): 48149322480

約数和(自身を除く): 28075954160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 739, 1280, 1478, 2956, 3695, 5912, 7390, 11824, 14780, 21221, 23648, 29560, 42442, 47296, 59120, 84884, 94592, 106105, 118240, 169768, 189184, 212210, 236480, 339536, 424420, 472960, 679072, 848840, 945920, 1358144, 1697680, 2716288, 3395360, 5432576, 6790720, 13581440, 15682319, 27162880, 31364638, 62729276, 78411595, 125458552, 156823190, 250917104, 313646380, 501834208, 627292760, 1003668416, 1254585520, 2007336832, 2509171040, 4014673664, 5018342080, 10036684160, 20073368320]

約数ペア:

[(1, 20073368320), (2, 10036684160), (4, 5018342080), (5, 4014673664), (8, 2509171040), (10, 2007336832), (16, 1254585520), (20, 1003668416), (32, 627292760), (40, 501834208), (64, 313646380), (80, 250917104), (128, 156823190), (160, 125458552), (256, 78411595), (320, 62729276), (640, 31364638), (739, 27162880), (1280, 15682319), (1478, 13581440), (2956, 6790720), (3695, 5432576), (5912, 3395360), (7390, 2716288), (11824, 1697680), (14780, 1358144), (21221, 945920), (23648, 848840), (29560, 679072), (42442, 472960), (47296, 424420), (59120, 339536), (84884, 236480), (94592, 212210), (106105, 189184), (118240, 169768)]