20087056

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1871}}^1$

素因数の和:1951

約数の個数: 40

約数和(自身を含む): 43175808

約数和(自身を除く): 23088752

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 176, 244, 488, 671, 976, 1342, 1871, 2684, 3742, 5368, 7484, 10736, 14968, 20581, 29936, 41162, 82324, 114131, 164648, 228262, 329296, 456524, 913048, 1255441, 1826096, 2510882, 5021764, 10043528, 20087056]

約数ペア:

[(1, 20087056), (2, 10043528), (4, 5021764), (8, 2510882), (11, 1826096), (16, 1255441), (22, 913048), (44, 456524), (61, 329296), (88, 228262), (122, 164648), (176, 114131), (244, 82324), (488, 41162), (671, 29936), (976, 20581), (1342, 14968), (1871, 10736), (2684, 7484), (3742, 5368)]