20461716

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 56949984

約数和(自身を除く): 36488268

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 163, 198, 317, 326, 396, 489, 634, 652, 951, 978, 1268, 1467, 1793, 1902, 1956, 2853, 2934, 3487, 3586, 3804, 5379, 5706, 5868, 6974, 7172, 10461, 10758, 11412, 13948, 16137, 20922, 21516, 31383, 32274, 41844, 51671, 62766, 64548, 103342, 125532, 155013, 206684, 310026, 465039, 568381, 620052, 930078, 1136762, 1705143, 1860156, 2273524, 3410286, 5115429, 6820572, 10230858, 20461716]

約数ペア:

[(1, 20461716), (2, 10230858), (3, 6820572), (4, 5115429), (6, 3410286), (9, 2273524), (11, 1860156), (12, 1705143), (18, 1136762), (22, 930078), (33, 620052), (36, 568381), (44, 465039), (66, 310026), (99, 206684), (132, 155013), (163, 125532), (198, 103342), (317, 64548), (326, 62766), (396, 51671), (489, 41844), (634, 32274), (652, 31383), (951, 21516), (978, 20922), (1268, 16137), (1467, 13948), (1793, 11412), (1902, 10758), (1956, 10461), (2853, 7172), (2934, 6974), (3487, 5868), (3586, 5706), (3804, 5379)]