20856552574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{117811}}^1$

素因数の和:118456

約数の個数: 32

約数和(自身を含む): 36813893760

約数和(自身を除く): 15957341186

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 619, 1238, 6809, 8047, 13618, 16094, 88517, 117811, 177034, 235622, 1295921, 1531543, 2591842, 3063086, 16846973, 33693946, 72925009, 145850018, 802175099, 948025117, 1604350198, 1896050234, 10428276287, 20856552574]

約数ペア:

[(1, 20856552574), (2, 10428276287), (11, 1896050234), (13, 1604350198), (22, 948025117), (26, 802175099), (143, 145850018), (286, 72925009), (619, 33693946), (1238, 16846973), (6809, 3063086), (8047, 2591842), (13618, 1531543), (16094, 1295921), (88517, 235622), (117811, 177034)]