19720896

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{7901}}^1$

素因数の和:7929

約数の個数: 56

約数和(自身を含む): 56199024

約数和(自身を除く): 36478128

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 7901, 15802, 23703, 31604, 47406, 63208, 94812, 102713, 126416, 189624, 205426, 252832, 308139, 379248, 410852, 505664, 616278, 758496, 821704, 1232556, 1516992, 1643408, 2465112, 3286816, 4930224, 6573632, 9860448, 19720896]

約数ペア:

[(1, 19720896), (2, 9860448), (3, 6573632), (4, 4930224), (6, 3286816), (8, 2465112), (12, 1643408), (13, 1516992), (16, 1232556), (24, 821704), (26, 758496), (32, 616278), (39, 505664), (48, 410852), (52, 379248), (64, 308139), (78, 252832), (96, 205426), (104, 189624), (156, 126416), (192, 102713), (208, 94812), (312, 63208), (416, 47406), (624, 31604), (832, 23703), (1248, 15802), (2496, 7901)]