20121963664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{26459}}^1$

素因数の和:26656

約数の個数: 80

約数和(自身を含む): 44294040000

約数和(自身を除く): 24172076336

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 149, 176, 232, 298, 319, 464, 596, 638, 1192, 1276, 1639, 2384, 2552, 3278, 4321, 5104, 6556, 8642, 13112, 17284, 26224, 26459, 34568, 47531, 52918, 69136, 95062, 105836, 190124, 211672, 291049, 380248, 423344, 582098, 760496, 767311, 1164196, 1534622, 2328392, 3069244, 3942391, 4656784, 6138488, 7884782, 8440421, 12276976, 15769564, 16880842, 31539128, 33761684, 43366301, 63078256, 67523368, 86732602, 114329339, 135046736, 173465204, 228658678, 346930408, 457317356, 693860816, 914634712, 1257622729, 1829269424, 2515245458, 5030490916, 10060981832, 20121963664]

約数ペア:

[(1, 20121963664), (2, 10060981832), (4, 5030490916), (8, 2515245458), (11, 1829269424), (16, 1257622729), (22, 914634712), (29, 693860816), (44, 457317356), (58, 346930408), (88, 228658678), (116, 173465204), (149, 135046736), (176, 114329339), (232, 86732602), (298, 67523368), (319, 63078256), (464, 43366301), (596, 33761684), (638, 31539128), (1192, 16880842), (1276, 15769564), (1639, 12276976), (2384, 8440421), (2552, 7884782), (3278, 6138488), (4321, 4656784), (5104, 3942391), (6556, 3069244), (8642, 2328392), (13112, 1534622), (17284, 1164196), (26224, 767311), (26459, 760496), (34568, 582098), (47531, 423344), (52918, 380248), (69136, 291049), (95062, 211672), (105836, 190124)]