20737184

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:733

約数の個数: 48

約数和(自身を含む): 44593920

約数和(自身を除く): 23856736

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 79, 104, 158, 208, 316, 416, 631, 632, 1027, 1262, 1264, 2054, 2524, 2528, 4108, 5048, 8203, 8216, 10096, 16406, 16432, 20192, 32812, 32864, 49849, 65624, 99698, 131248, 199396, 262496, 398792, 648037, 797584, 1296074, 1595168, 2592148, 5184296, 10368592, 20737184]

約数ペア:

[(1, 20737184), (2, 10368592), (4, 5184296), (8, 2592148), (13, 1595168), (16, 1296074), (26, 797584), (32, 648037), (52, 398792), (79, 262496), (104, 199396), (158, 131248), (208, 99698), (316, 65624), (416, 49849), (631, 32864), (632, 32812), (1027, 20192), (1262, 16432), (1264, 16406), (2054, 10096), (2524, 8216), (2528, 8203), (4108, 5048)]