20113552

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{607}}^1$

素因数の和:743

約数の個数: 40

約数和(自身を含む): 41465600

約数和(自身を除く): 21352048

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 109, 152, 218, 304, 436, 607, 872, 1214, 1744, 2071, 2428, 4142, 4856, 8284, 9712, 11533, 16568, 23066, 33136, 46132, 66163, 92264, 132326, 184528, 264652, 529304, 1058608, 1257097, 2514194, 5028388, 10056776, 20113552]

約数ペア:

[(1, 20113552), (2, 10056776), (4, 5028388), (8, 2514194), (16, 1257097), (19, 1058608), (38, 529304), (76, 264652), (109, 184528), (152, 132326), (218, 92264), (304, 66163), (436, 46132), (607, 33136), (872, 23066), (1214, 16568), (1744, 11533), (2071, 9712), (2428, 8284), (4142, 4856)]