20377336

素因数分解:

$2^3\times 7^2\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 44836200

約数和(自身を除く): 24458864

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 227, 229, 392, 454, 458, 908, 916, 1589, 1603, 1816, 1832, 3178, 3206, 6356, 6412, 11123, 11221, 12712, 12824, 22246, 22442, 44492, 44884, 51983, 88984, 89768, 103966, 207932, 363881, 415864, 727762, 1455524, 2547167, 2911048, 5094334, 10188668, 20377336]

約数ペア:

[(1, 20377336), (2, 10188668), (4, 5094334), (7, 2911048), (8, 2547167), (14, 1455524), (28, 727762), (49, 415864), (56, 363881), (98, 207932), (196, 103966), (227, 89768), (229, 88984), (392, 51983), (454, 44884), (458, 44492), (908, 22442), (916, 22246), (1589, 12824), (1603, 12712), (1816, 11221), (1832, 11123), (3178, 6412), (3206, 6356)]