20933440

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:360

約数の個数: 112

約数和(自身を含む): 57424320

約数和(自身を除く): 36490880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 313, 320, 352, 380, 418, 440, 608, 626, 704, 760, 836, 880, 1045, 1216, 1252, 1520, 1565, 1672, 1760, 2090, 2504, 3040, 3130, 3344, 3443, 3520, 4180, 5008, 5947, 6080, 6260, 6688, 6886, 8360, 10016, 11894, 12520, 13376, 13772, 16720, 17215, 20032, 23788, 25040, 27544, 29735, 33440, 34430, 47576, 50080, 55088, 59470, 65417, 66880, 68860, 95152, 100160, 110176, 118940, 130834, 137720, 190304, 220352, 237880, 261668, 275440, 327085, 380608, 475760, 523336, 550880, 654170, 951520, 1046672, 1101760, 1308340, 1903040, 2093344, 2616680, 4186688, 5233360, 10466720, 20933440]

約数ペア:

[(1, 20933440), (2, 10466720), (4, 5233360), (5, 4186688), (8, 2616680), (10, 2093344), (11, 1903040), (16, 1308340), (19, 1101760), (20, 1046672), (22, 951520), (32, 654170), (38, 550880), (40, 523336), (44, 475760), (55, 380608), (64, 327085), (76, 275440), (80, 261668), (88, 237880), (95, 220352), (110, 190304), (152, 137720), (160, 130834), (176, 118940), (190, 110176), (209, 100160), (220, 95152), (304, 68860), (313, 66880), (320, 65417), (352, 59470), (380, 55088), (418, 50080), (440, 47576), (608, 34430), (626, 33440), (704, 29735), (760, 27544), (836, 25040), (880, 23788), (1045, 20032), (1216, 17215), (1252, 16720), (1520, 13772), (1565, 13376), (1672, 12520), (1760, 11894), (2090, 10016), (2504, 8360), (3040, 6886), (3130, 6688), (3344, 6260), (3443, 6080), (3520, 5947), (4180, 5008)]