20028976

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3671}}^1$

素因数の和:3721

約数の個数: 40

約数和(自身を含む): 43711488

約数和(自身を除く): 23682512

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 3671, 5456, 7342, 14684, 29368, 40381, 58736, 80762, 113801, 161524, 227602, 323048, 455204, 646096, 910408, 1251811, 1820816, 2503622, 5007244, 10014488, 20028976]

約数ペア:

[(1, 20028976), (2, 10014488), (4, 5007244), (8, 2503622), (11, 1820816), (16, 1251811), (22, 910408), (31, 646096), (44, 455204), (62, 323048), (88, 227602), (124, 161524), (176, 113801), (248, 80762), (341, 58736), (496, 40381), (682, 29368), (1364, 14684), (2728, 7342), (3671, 5456)]