20768156960

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2761723}}^1$

素因数の和:2761785

約数の個数: 48

約数和(自身を含む): 50108720256

約数和(自身を除く): 29340563296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 3760, 7520, 2761723, 5523446, 11046892, 13808615, 22093784, 27617230, 44187568, 55234460, 88375136, 110468920, 129800981, 220937840, 259601962, 441875680, 519203924, 649004905, 1038407848, 1298009810, 2076815696, 2596019620, 4153631392, 5192039240, 10384078480, 20768156960]

約数ペア:

[(1, 20768156960), (2, 10384078480), (4, 5192039240), (5, 4153631392), (8, 2596019620), (10, 2076815696), (16, 1298009810), (20, 1038407848), (32, 649004905), (40, 519203924), (47, 441875680), (80, 259601962), (94, 220937840), (160, 129800981), (188, 110468920), (235, 88375136), (376, 55234460), (470, 44187568), (752, 27617230), (940, 22093784), (1504, 13808615), (1880, 11046892), (3760, 5523446), (7520, 2761723)]