20347819928

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1\times {\mathrm{7129}}^1$

素因数の和:7860

約数の個数: 64

約数和(自身を含む): 41766969600

約数和(自身を除く): 21419149672

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 677, 1054, 1354, 2108, 2708, 4216, 5416, 7129, 11509, 14258, 20987, 23018, 28516, 41974, 46036, 57032, 83948, 92072, 121193, 167896, 220999, 242386, 356779, 441998, 484772, 713558, 883996, 969544, 1427116, 1767992, 2854232, 3756983, 4826333, 7513966, 9652666, 15027932, 19305332, 30055864, 38610664, 82047661, 149616323, 164095322, 299232646, 328190644, 598465292, 656381288, 1196930584, 2543477491, 5086954982, 10173909964, 20347819928]

約数ペア:

[(1, 20347819928), (2, 10173909964), (4, 5086954982), (8, 2543477491), (17, 1196930584), (31, 656381288), (34, 598465292), (62, 328190644), (68, 299232646), (124, 164095322), (136, 149616323), (248, 82047661), (527, 38610664), (677, 30055864), (1054, 19305332), (1354, 15027932), (2108, 9652666), (2708, 7513966), (4216, 4826333), (5416, 3756983), (7129, 2854232), (11509, 1767992), (14258, 1427116), (20987, 969544), (23018, 883996), (28516, 713558), (41974, 484772), (46036, 441998), (57032, 356779), (83948, 242386), (92072, 220999), (121193, 167896)]