20888106

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 45487200

約数和(自身を除く): 24599094

約数列:

[1, 2, 3, 6, 19, 38, 41, 57, 82, 109, 114, 123, 218, 246, 327, 654, 779, 1558, 1681, 2071, 2337, 3362, 4142, 4469, 4674, 5043, 6213, 8938, 10086, 12426, 13407, 26814, 31939, 63878, 84911, 95817, 169822, 183229, 191634, 254733, 366458, 509466, 549687, 1099374, 3481351, 6962702, 10444053, 20888106]

約数ペア:

[(1, 20888106), (2, 10444053), (3, 6962702), (6, 3481351), (19, 1099374), (38, 549687), (41, 509466), (57, 366458), (82, 254733), (109, 191634), (114, 183229), (123, 169822), (218, 95817), (246, 84911), (327, 63878), (654, 31939), (779, 26814), (1558, 13407), (1681, 12426), (2071, 10086), (2337, 8938), (3362, 6213), (4142, 5043), (4469, 4674)]