20091781143

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{1621}}^1$

素因数の和:1885

約数の個数: 96

約数和(自身を含む): 35853622272

約数和(自身を除く): 15761841129

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 71, 119, 153, 163, 213, 357, 489, 497, 639, 1071, 1141, 1207, 1467, 1491, 1621, 2771, 3423, 3621, 4473, 4863, 8313, 8449, 10269, 10863, 11347, 11573, 14589, 19397, 24939, 25347, 27557, 34041, 34719, 58191, 76041, 81011, 82671, 102123, 104157, 115091, 174573, 192899, 196741, 243033, 248013, 264223, 345273, 578697, 590223, 729099, 792669, 805637, 1035819, 1377187, 1736091, 1770669, 1849561, 1956547, 2378007, 2416911, 4131561, 4491791, 5548683, 5869641, 7250733, 12394683, 13475373, 13695829, 16646049, 17608923, 18759833, 31442537, 40426119, 41087487, 56279499, 94327611, 123262461, 131318831, 168838497, 282982833, 318917161, 393956493, 956751483, 1181869479, 2232420127, 2870254449, 6697260381, 20091781143]

約数ペア:

[(1, 20091781143), (3, 6697260381), (7, 2870254449), (9, 2232420127), (17, 1181869479), (21, 956751483), (51, 393956493), (63, 318917161), (71, 282982833), (119, 168838497), (153, 131318831), (163, 123262461), (213, 94327611), (357, 56279499), (489, 41087487), (497, 40426119), (639, 31442537), (1071, 18759833), (1141, 17608923), (1207, 16646049), (1467, 13695829), (1491, 13475373), (1621, 12394683), (2771, 7250733), (3423, 5869641), (3621, 5548683), (4473, 4491791), (4863, 4131561), (8313, 2416911), (8449, 2378007), (10269, 1956547), (10863, 1849561), (11347, 1770669), (11573, 1736091), (14589, 1377187), (19397, 1035819), (24939, 805637), (25347, 792669), (27557, 729099), (34041, 590223), (34719, 578697), (58191, 345273), (76041, 264223), (81011, 248013), (82671, 243033), (102123, 196741), (104157, 192899), (115091, 174573)]