20654508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1877}}^1$

素因数の和:2022

約数の個数: 48

約数和(自身を含む): 55528704

約数和(自身を除く): 34874196

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 131, 262, 393, 524, 786, 917, 1572, 1834, 1877, 2751, 3668, 3754, 5502, 5631, 7508, 11004, 11262, 13139, 22524, 26278, 39417, 52556, 78834, 157668, 245887, 491774, 737661, 983548, 1475322, 1721209, 2950644, 3442418, 5163627, 6884836, 10327254, 20654508]

約数ペア:

[(1, 20654508), (2, 10327254), (3, 6884836), (4, 5163627), (6, 3442418), (7, 2950644), (12, 1721209), (14, 1475322), (21, 983548), (28, 737661), (42, 491774), (84, 245887), (131, 157668), (262, 78834), (393, 52556), (524, 39417), (786, 26278), (917, 22524), (1572, 13139), (1834, 11262), (1877, 11004), (2751, 7508), (3668, 5631), (3754, 5502)]