20723644576

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{205657}}^1$

素因数の和:205781

約数の個数: 48

約数和(自身を含む): 42289865856

約数和(自身を除く): 21566221280

約数列:

[1, 2, 4, 8, 16, 32, 47, 67, 94, 134, 188, 268, 376, 536, 752, 1072, 1504, 2144, 3149, 6298, 12596, 25192, 50384, 100768, 205657, 411314, 822628, 1645256, 3290512, 6581024, 9665879, 13779019, 19331758, 27558038, 38663516, 55116076, 77327032, 110232152, 154654064, 220464304, 309308128, 440928608, 647613893, 1295227786, 2590455572, 5180911144, 10361822288, 20723644576]

約数ペア:

[(1, 20723644576), (2, 10361822288), (4, 5180911144), (8, 2590455572), (16, 1295227786), (32, 647613893), (47, 440928608), (67, 309308128), (94, 220464304), (134, 154654064), (188, 110232152), (268, 77327032), (376, 55116076), (536, 38663516), (752, 27558038), (1072, 19331758), (1504, 13779019), (2144, 9665879), (3149, 6581024), (6298, 3290512), (12596, 1645256), (25192, 822628), (50384, 411314), (100768, 205657)]