20176936208

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{383417}}^1$

素因数の和:383472

約数の個数: 80

約数和(自身を含む): 47924182656

約数和(自身を除く): 27747246448

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 23, 26, 44, 46, 52, 88, 92, 104, 143, 176, 184, 208, 253, 286, 299, 368, 506, 572, 598, 1012, 1144, 1196, 2024, 2288, 2392, 3289, 4048, 4784, 6578, 13156, 26312, 52624, 383417, 766834, 1533668, 3067336, 4217587, 4984421, 6134672, 8435174, 8818591, 9968842, 16870348, 17637182, 19937684, 33740696, 35274364, 39875368, 54828631, 67481392, 70548728, 79750736, 97004501, 109657262, 114641683, 141097456, 194009002, 219314524, 229283366, 388018004, 438629048, 458566732, 776036008, 877258096, 917133464, 1261058513, 1552072016, 1834266928, 2522117026, 5044234052, 10088468104, 20176936208]

約数ペア:

[(1, 20176936208), (2, 10088468104), (4, 5044234052), (8, 2522117026), (11, 1834266928), (13, 1552072016), (16, 1261058513), (22, 917133464), (23, 877258096), (26, 776036008), (44, 458566732), (46, 438629048), (52, 388018004), (88, 229283366), (92, 219314524), (104, 194009002), (143, 141097456), (176, 114641683), (184, 109657262), (208, 97004501), (253, 79750736), (286, 70548728), (299, 67481392), (368, 54828631), (506, 39875368), (572, 35274364), (598, 33740696), (1012, 19937684), (1144, 17637182), (1196, 16870348), (2024, 9968842), (2288, 8818591), (2392, 8435174), (3289, 6134672), (4048, 4984421), (4784, 4217587), (6578, 3067336), (13156, 1533668), (26312, 766834), (52624, 383417)]