20188072

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1009}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 39450600

約数和(自身を除く): 19262528

約数列:

[1, 2, 4, 8, 41, 61, 82, 122, 164, 244, 328, 488, 1009, 2018, 2501, 4036, 5002, 8072, 10004, 20008, 41369, 61549, 82738, 123098, 165476, 246196, 330952, 492392, 2523509, 5047018, 10094036, 20188072]

約数ペア:

[(1, 20188072), (2, 10094036), (4, 5047018), (8, 2523509), (41, 492392), (61, 330952), (82, 246196), (122, 165476), (164, 123098), (244, 82738), (328, 61549), (488, 41369), (1009, 20008), (2018, 10004), (2501, 8072), (4036, 5002)]