20235883592

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{143827}}^1$

素因数の和:144285

約数の個数: 32

約数和(自身を含む): 38919856800

約数和(自身を除く): 18683973208

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 409, 818, 1636, 3272, 17587, 35174, 70348, 140696, 143827, 287654, 575308, 1150616, 6184561, 12369122, 24738244, 49476488, 58825243, 117650486, 235300972, 470601944, 2529485449, 5058970898, 10117941796, 20235883592]

約数ペア:

[(1, 20235883592), (2, 10117941796), (4, 5058970898), (8, 2529485449), (43, 470601944), (86, 235300972), (172, 117650486), (344, 58825243), (409, 49476488), (818, 24738244), (1636, 12369122), (3272, 6184561), (17587, 1150616), (35174, 575308), (70348, 287654), (140696, 143827)]