20756688

素因数分解:

$2^4\times 3^1\times {\mathrm{131}}^1\times {\mathrm{3301}}^1$

素因数の和:3443

約数の個数: 40

約数和(自身を含む): 54047136

約数和(自身を除く): 33290448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 131, 262, 393, 524, 786, 1048, 1572, 2096, 3144, 3301, 6288, 6602, 9903, 13204, 19806, 26408, 39612, 52816, 79224, 158448, 432431, 864862, 1297293, 1729724, 2594586, 3459448, 5189172, 6918896, 10378344, 20756688]

約数ペア:

[(1, 20756688), (2, 10378344), (3, 6918896), (4, 5189172), (6, 3459448), (8, 2594586), (12, 1729724), (16, 1297293), (24, 864862), (48, 432431), (131, 158448), (262, 79224), (393, 52816), (524, 39612), (786, 26408), (1048, 19806), (1572, 13204), (2096, 9903), (3144, 6602), (3301, 6288)]