20564831488

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{4227967}}^1$

素因数の和:4228002

約数の個数: 36

約数和(自身を含む): 43209832960

約数和(自身を除く): 22645001472

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4864, 4227967, 8455934, 16911868, 33823736, 67647472, 80331373, 135294944, 160662746, 270589888, 321325492, 541179776, 642650984, 1082359552, 1285301968, 2570603936, 5141207872, 10282415744, 20564831488]

約数ペア:

[(1, 20564831488), (2, 10282415744), (4, 5141207872), (8, 2570603936), (16, 1285301968), (19, 1082359552), (32, 642650984), (38, 541179776), (64, 321325492), (76, 270589888), (128, 160662746), (152, 135294944), (256, 80331373), (304, 67647472), (608, 33823736), (1216, 16911868), (2432, 8455934), (4864, 4227967)]