20065672

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1091}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 43570800

約数和(自身を除く): 23505128

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 121, 152, 209, 242, 418, 484, 836, 968, 1091, 1672, 2182, 2299, 4364, 4598, 8728, 9196, 12001, 18392, 20729, 24002, 41458, 48004, 82916, 96008, 132011, 165832, 228019, 264022, 456038, 528044, 912076, 1056088, 1824152, 2508209, 5016418, 10032836, 20065672]

約数ペア:

[(1, 20065672), (2, 10032836), (4, 5016418), (8, 2508209), (11, 1824152), (19, 1056088), (22, 912076), (38, 528044), (44, 456038), (76, 264022), (88, 228019), (121, 165832), (152, 132011), (209, 96008), (242, 82916), (418, 48004), (484, 41458), (836, 24002), (968, 20729), (1091, 18392), (1672, 12001), (2182, 9196), (2299, 8728), (4364, 4598)]