20479285728

素因数分解:

$2^5\times 3^5\times {\mathrm{11}}^1\times {\mathrm{239423}}^1$

素因数の和:239459

約数の個数: 144

約数和(自身を含む): 65885654016

約数和(自身を除く): 45406368288

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 66, 72, 81, 88, 96, 99, 108, 132, 144, 162, 176, 198, 216, 243, 264, 288, 297, 324, 352, 396, 432, 486, 528, 594, 648, 792, 864, 891, 972, 1056, 1188, 1296, 1584, 1782, 1944, 2376, 2592, 2673, 3168, 3564, 3888, 4752, 5346, 7128, 7776, 9504, 10692, 14256, 21384, 28512, 42768, 85536, 239423, 478846, 718269, 957692, 1436538, 1915384, 2154807, 2633653, 2873076, 3830768, 4309614, 5267306, 5746152, 6464421, 7661536, 7900959, 8619228, 10534612, 11492304, 12928842, 15801918, 17238456, 19393263, 21069224, 22984608, 23702877, 25857684, 31603836, 34476912, 38786526, 42138448, 47405754, 51715368, 58179789, 63207672, 68953824, 71108631, 77573052, 84276896, 94811508, 103430736, 116359578, 126415344, 142217262, 155146104, 189623016, 206861472, 213325893, 232719156, 252830688, 284434524, 310292208, 379246032, 426651786, 465438312, 568869048, 620584416, 639977679, 758492064, 853303572, 930876624, 1137738096, 1279955358, 1706607144, 1861753248, 2275476192, 2559910716, 3413214288, 5119821432, 6826428576, 10239642864, 20479285728]

約数ペア:

[(1, 20479285728), (2, 10239642864), (3, 6826428576), (4, 5119821432), (6, 3413214288), (8, 2559910716), (9, 2275476192), (11, 1861753248), (12, 1706607144), (16, 1279955358), (18, 1137738096), (22, 930876624), (24, 853303572), (27, 758492064), (32, 639977679), (33, 620584416), (36, 568869048), (44, 465438312), (48, 426651786), (54, 379246032), (66, 310292208), (72, 284434524), (81, 252830688), (88, 232719156), (96, 213325893), (99, 206861472), (108, 189623016), (132, 155146104), (144, 142217262), (162, 126415344), (176, 116359578), (198, 103430736), (216, 94811508), (243, 84276896), (264, 77573052), (288, 71108631), (297, 68953824), (324, 63207672), (352, 58179789), (396, 51715368), (432, 47405754), (486, 42138448), (528, 38786526), (594, 34476912), (648, 31603836), (792, 25857684), (864, 23702877), (891, 22984608), (972, 21069224), (1056, 19393263), (1188, 17238456), (1296, 15801918), (1584, 12928842), (1782, 11492304), (1944, 10534612), (2376, 8619228), (2592, 7900959), (2673, 7661536), (3168, 6464421), (3564, 5746152), (3888, 5267306), (4752, 4309614), (5346, 3830768), (7128, 2873076), (7776, 2633653), (9504, 2154807), (10692, 1915384), (14256, 1436538), (21384, 957692), (28512, 718269), (42768, 478846), (85536, 239423)]