20178216744

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1\times {\mathrm{2543}}^1$

素因数の和:3279

約数の個数: 128

約数和(自身を含む): 58555146240

約数和(自身を除く): 38376929496

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 73, 84, 146, 168, 219, 292, 438, 511, 584, 647, 876, 1022, 1294, 1533, 1752, 1941, 2044, 2543, 2588, 3066, 3882, 4088, 4529, 5086, 5176, 6132, 7629, 7764, 9058, 10172, 12264, 13587, 15258, 15528, 17801, 18116, 20344, 27174, 30516, 35602, 36232, 47231, 53403, 54348, 61032, 71204, 94462, 106806, 108696, 141693, 142408, 185639, 188924, 213612, 283386, 330617, 371278, 377848, 427224, 556917, 566772, 661234, 742556, 991851, 1113834, 1133544, 1299473, 1322468, 1485112, 1645321, 1983702, 2227668, 2598946, 2644936, 3290642, 3898419, 3967404, 4455336, 4935963, 5197892, 6581284, 7796838, 7934808, 9871926, 10395784, 11517247, 13162568, 15593676, 19743852, 23034494, 31187352, 34551741, 39487704, 46068988, 69103482, 92137976, 120108433, 138206964, 240216866, 276413928, 360325299, 480433732, 720650598, 840759031, 960867464, 1441301196, 1681518062, 2522277093, 2882602392, 3363036124, 5044554186, 6726072248, 10089108372, 20178216744]

約数ペア:

[(1, 20178216744), (2, 10089108372), (3, 6726072248), (4, 5044554186), (6, 3363036124), (7, 2882602392), (8, 2522277093), (12, 1681518062), (14, 1441301196), (21, 960867464), (24, 840759031), (28, 720650598), (42, 480433732), (56, 360325299), (73, 276413928), (84, 240216866), (146, 138206964), (168, 120108433), (219, 92137976), (292, 69103482), (438, 46068988), (511, 39487704), (584, 34551741), (647, 31187352), (876, 23034494), (1022, 19743852), (1294, 15593676), (1533, 13162568), (1752, 11517247), (1941, 10395784), (2044, 9871926), (2543, 7934808), (2588, 7796838), (3066, 6581284), (3882, 5197892), (4088, 4935963), (4529, 4455336), (5086, 3967404), (5176, 3898419), (6132, 3290642), (7629, 2644936), (7764, 2598946), (9058, 2227668), (10172, 1983702), (12264, 1645321), (13587, 1485112), (15258, 1322468), (15528, 1299473), (17801, 1133544), (18116, 1113834), (20344, 991851), (27174, 742556), (30516, 661234), (35602, 566772), (36232, 556917), (47231, 427224), (53403, 377848), (54348, 371278), (61032, 330617), (71204, 283386), (94462, 213612), (106806, 188924), (108696, 185639), (141693, 142408)]