20887446768

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1\times {\mathrm{409}}^1$

素因数の和:799

約数の個数: 160

約数和(自身を含む): 56102956800

約数和(自身を除く): 35215510032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 109, 129, 172, 218, 227, 258, 327, 344, 409, 436, 454, 516, 654, 681, 688, 818, 872, 908, 1032, 1227, 1308, 1362, 1636, 1744, 1816, 2064, 2454, 2616, 2724, 3272, 3632, 4687, 4908, 5232, 5448, 6544, 9374, 9761, 9816, 10896, 14061, 17587, 18748, 19522, 19632, 24743, 28122, 29283, 35174, 37496, 39044, 44581, 49486, 52761, 56244, 58566, 70348, 74229, 74992, 78088, 89162, 92843, 98972, 105522, 112488, 117132, 133743, 140696, 148458, 156176, 178324, 185686, 197944, 211044, 224976, 234264, 267486, 278529, 281392, 296916, 356648, 371372, 395888, 422088, 468528, 534972, 557058, 593832, 713296, 742744, 844176, 1063949, 1069944, 1114116, 1187664, 1485488, 1916983, 2127898, 2139888, 2228232, 3191847, 3833966, 3992249, 4255796, 4456464, 5750949, 6383694, 7667932, 7984498, 8511592, 10119887, 11501898, 11976747, 12767388, 15335864, 15968996, 17023184, 20239774, 23003796, 23953494, 25534776, 30359661, 30671728, 31937992, 40479548, 46007592, 47906988, 51069552, 60719322, 63875984, 80959096, 92015184, 95813976, 121438644, 161918192, 191627952, 242877288, 435155141, 485754576, 870310282, 1305465423, 1740620564, 2610930846, 3481241128, 5221861692, 6962482256, 10443723384, 20887446768]

約数ペア:

[(1, 20887446768), (2, 10443723384), (3, 6962482256), (4, 5221861692), (6, 3481241128), (8, 2610930846), (12, 1740620564), (16, 1305465423), (24, 870310282), (43, 485754576), (48, 435155141), (86, 242877288), (109, 191627952), (129, 161918192), (172, 121438644), (218, 95813976), (227, 92015184), (258, 80959096), (327, 63875984), (344, 60719322), (409, 51069552), (436, 47906988), (454, 46007592), (516, 40479548), (654, 31937992), (681, 30671728), (688, 30359661), (818, 25534776), (872, 23953494), (908, 23003796), (1032, 20239774), (1227, 17023184), (1308, 15968996), (1362, 15335864), (1636, 12767388), (1744, 11976747), (1816, 11501898), (2064, 10119887), (2454, 8511592), (2616, 7984498), (2724, 7667932), (3272, 6383694), (3632, 5750949), (4687, 4456464), (4908, 4255796), (5232, 3992249), (5448, 3833966), (6544, 3191847), (9374, 2228232), (9761, 2139888), (9816, 2127898), (10896, 1916983), (14061, 1485488), (17587, 1187664), (18748, 1114116), (19522, 1069944), (19632, 1063949), (24743, 844176), (28122, 742744), (29283, 713296), (35174, 593832), (37496, 557058), (39044, 534972), (44581, 468528), (49486, 422088), (52761, 395888), (56244, 371372), (58566, 356648), (70348, 296916), (74229, 281392), (74992, 278529), (78088, 267486), (89162, 234264), (92843, 224976), (98972, 211044), (105522, 197944), (112488, 185686), (117132, 178324), (133743, 156176), (140696, 148458)]