20155704884

素因数分解:

$2^2\times 7^3\times {\mathrm{97}}^1\times {\mathrm{151451}}^1$

素因数の和:151573

約数の個数: 48

約数和(自身を含む): 41558428800

約数和(自身を除く): 21402723916

約数列:

[1, 2, 4, 7, 14, 28, 49, 97, 98, 194, 196, 343, 388, 679, 686, 1358, 1372, 2716, 4753, 9506, 19012, 33271, 66542, 133084, 151451, 302902, 605804, 1060157, 2120314, 4240628, 7421099, 14690747, 14842198, 29381494, 29684396, 51947693, 58762988, 102835229, 103895386, 205670458, 207790772, 411340916, 719846603, 1439693206, 2879386412, 5038926221, 10077852442, 20155704884]

約数ペア:

[(1, 20155704884), (2, 10077852442), (4, 5038926221), (7, 2879386412), (14, 1439693206), (28, 719846603), (49, 411340916), (97, 207790772), (98, 205670458), (194, 103895386), (196, 102835229), (343, 58762988), (388, 51947693), (679, 29684396), (686, 29381494), (1358, 14842198), (1372, 14690747), (2716, 7421099), (4753, 4240628), (9506, 2120314), (19012, 1060157), (33271, 605804), (66542, 302902), (133084, 151451)]