20782139008

素因数分解:

$2^7\times {\mathrm{787}}^1\times {\mathrm{206303}}^1$

素因数の和:207104

約数の個数: 32

約数和(自身を含む): 41454725760

約数和(自身を除く): 20672586752

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 787, 1574, 3148, 6296, 12592, 25184, 50368, 100736, 206303, 412606, 825212, 1650424, 3300848, 6601696, 13203392, 26406784, 162360461, 324720922, 649441844, 1298883688, 2597767376, 5195534752, 10391069504, 20782139008]

約数ペア:

[(1, 20782139008), (2, 10391069504), (4, 5195534752), (8, 2597767376), (16, 1298883688), (32, 649441844), (64, 324720922), (128, 162360461), (787, 26406784), (1574, 13203392), (3148, 6601696), (6296, 3300848), (12592, 1650424), (25184, 825212), (50368, 412606), (100736, 206303)]