20293968

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 55353600

約数和(自身を除く): 35059632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 61, 87, 116, 122, 174, 183, 232, 239, 244, 348, 366, 464, 478, 488, 696, 717, 732, 956, 976, 1392, 1434, 1464, 1769, 1912, 2868, 2928, 3538, 3824, 5307, 5736, 6931, 7076, 10614, 11472, 13862, 14152, 14579, 20793, 21228, 27724, 28304, 29158, 41586, 42456, 43737, 55448, 58316, 83172, 84912, 87474, 110896, 116632, 166344, 174948, 233264, 332688, 349896, 422791, 699792, 845582, 1268373, 1691164, 2536746, 3382328, 5073492, 6764656, 10146984, 20293968]

約数ペア:

[(1, 20293968), (2, 10146984), (3, 6764656), (4, 5073492), (6, 3382328), (8, 2536746), (12, 1691164), (16, 1268373), (24, 845582), (29, 699792), (48, 422791), (58, 349896), (61, 332688), (87, 233264), (116, 174948), (122, 166344), (174, 116632), (183, 110896), (232, 87474), (239, 84912), (244, 83172), (348, 58316), (366, 55448), (464, 43737), (478, 42456), (488, 41586), (696, 29158), (717, 28304), (732, 27724), (956, 21228), (976, 20793), (1392, 14579), (1434, 14152), (1464, 13862), (1769, 11472), (1912, 10614), (2868, 7076), (2928, 6931), (3538, 5736), (3824, 5307)]