20178690836

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{293}}^1\times {\mathrm{827}}^1$

素因数の和:1424

約数の個数: 48

約数和(自身を含む): 35988986880

約数和(自身を除く): 15810296044

約数列:

[1, 2, 4, 109, 191, 218, 293, 382, 436, 586, 764, 827, 1172, 1654, 3308, 20819, 31937, 41638, 55963, 63874, 83276, 90143, 111926, 127748, 157957, 180286, 223852, 242311, 315914, 360572, 484622, 631828, 969244, 6099967, 12199934, 17217313, 24399868, 26411899, 34434626, 46281401, 52823798, 68869252, 92562802, 105647596, 185125604, 5044672709, 10089345418, 20178690836]

約数ペア:

[(1, 20178690836), (2, 10089345418), (4, 5044672709), (109, 185125604), (191, 105647596), (218, 92562802), (293, 68869252), (382, 52823798), (436, 46281401), (586, 34434626), (764, 26411899), (827, 24399868), (1172, 17217313), (1654, 12199934), (3308, 6099967), (20819, 969244), (31937, 631828), (41638, 484622), (55963, 360572), (63874, 315914), (83276, 242311), (90143, 223852), (111926, 180286), (127748, 157957)]