20211884631

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{701}}^1\times {\mathrm{1811}}^1$

素因数の和:2608

約数の個数: 48

約数和(自身を含む): 30757540320

約数和(自身を除く): 10545655689

約数列:

[1, 3, 9, 29, 61, 87, 183, 261, 549, 701, 1769, 1811, 2103, 5307, 5433, 6309, 15921, 16299, 20329, 42761, 52519, 60987, 110471, 128283, 157557, 182961, 331413, 384849, 472671, 994239, 1240069, 1269511, 3203659, 3720207, 3808533, 9610977, 11160621, 11425599, 28832931, 36815819, 77440171, 110447457, 232320513, 331342371, 696961539, 2245764959, 6737294877, 20211884631]

約数ペア:

[(1, 20211884631), (3, 6737294877), (9, 2245764959), (29, 696961539), (61, 331342371), (87, 232320513), (183, 110447457), (261, 77440171), (549, 36815819), (701, 28832931), (1769, 11425599), (1811, 11160621), (2103, 9610977), (5307, 3808533), (5433, 3720207), (6309, 3203659), (15921, 1269511), (16299, 1240069), (20329, 994239), (42761, 472671), (52519, 384849), (60987, 331413), (110471, 182961), (128283, 157557)]