20656472072

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{691}}^1\times {\mathrm{91139}}^1$

素因数の和:91877

約数の個数: 32

約数和(自身を含む): 39733394400

約数和(自身を除く): 19076922328

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 691, 1382, 2764, 5528, 28331, 56662, 91139, 113324, 182278, 226648, 364556, 729112, 3736699, 7473398, 14946796, 29893592, 62977049, 125954098, 251908196, 503816392, 2582059009, 5164118018, 10328236036, 20656472072]

約数ペア:

[(1, 20656472072), (2, 10328236036), (4, 5164118018), (8, 2582059009), (41, 503816392), (82, 251908196), (164, 125954098), (328, 62977049), (691, 29893592), (1382, 14946796), (2764, 7473398), (5528, 3736699), (28331, 729112), (56662, 364556), (91139, 226648), (113324, 182278)]