20688313712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{709}}^1\times {\mathrm{5717}}^1$

素因数の和:6474

約数の個数: 80

約数和(自身を含む): 45307144800

約数和(自身を除く): 24618831088

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 176, 232, 319, 464, 638, 709, 1276, 1418, 2552, 2836, 5104, 5672, 5717, 7799, 11344, 11434, 15598, 20561, 22868, 31196, 41122, 45736, 62392, 62887, 82244, 91472, 124784, 125774, 164488, 165793, 226171, 251548, 328976, 331586, 452342, 503096, 663172, 904684, 1006192, 1326344, 1809368, 1823723, 2652688, 3618736, 3647446, 4053353, 7294892, 8106706, 14589784, 16213412, 29179568, 32426824, 44586883, 64853648, 89173766, 117547237, 178347532, 235094474, 356695064, 470188948, 713390128, 940377896, 1293019607, 1880755792, 2586039214, 5172078428, 10344156856, 20688313712]

約数ペア:

[(1, 20688313712), (2, 10344156856), (4, 5172078428), (8, 2586039214), (11, 1880755792), (16, 1293019607), (22, 940377896), (29, 713390128), (44, 470188948), (58, 356695064), (88, 235094474), (116, 178347532), (176, 117547237), (232, 89173766), (319, 64853648), (464, 44586883), (638, 32426824), (709, 29179568), (1276, 16213412), (1418, 14589784), (2552, 8106706), (2836, 7294892), (5104, 4053353), (5672, 3647446), (5717, 3618736), (7799, 2652688), (11344, 1823723), (11434, 1809368), (15598, 1326344), (20561, 1006192), (22868, 904684), (31196, 663172), (41122, 503096), (45736, 452342), (62392, 331586), (62887, 328976), (82244, 251548), (91472, 226171), (124784, 165793), (125774, 164488)]