20164798744

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{25169}}^1$

素因数の和:25372

約数の個数: 64

約数和(自身を含む): 41264704800

約数和(自身を除く): 21099906056

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 137, 172, 274, 344, 548, 731, 1096, 1462, 2329, 2924, 4658, 5848, 5891, 9316, 11782, 18632, 23564, 25169, 47128, 50338, 100147, 100676, 200294, 201352, 400588, 427873, 801176, 855746, 1082267, 1711492, 2164534, 3422984, 3448153, 4329068, 6896306, 8658136, 13792612, 18398539, 27585224, 36797078, 58618601, 73594156, 117237202, 147188312, 148270579, 234474404, 296541158, 468948808, 593082316, 1186164632, 2520599843, 5041199686, 10082399372, 20164798744]

約数ペア:

[(1, 20164798744), (2, 10082399372), (4, 5041199686), (8, 2520599843), (17, 1186164632), (34, 593082316), (43, 468948808), (68, 296541158), (86, 234474404), (136, 148270579), (137, 147188312), (172, 117237202), (274, 73594156), (344, 58618601), (548, 36797078), (731, 27585224), (1096, 18398539), (1462, 13792612), (2329, 8658136), (2924, 6896306), (4658, 4329068), (5848, 3448153), (5891, 3422984), (9316, 2164534), (11782, 1711492), (18632, 1082267), (23564, 855746), (25169, 801176), (47128, 427873), (50338, 400588), (100147, 201352), (100676, 200294)]