20407029296

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{842987}}^1$

素因数の和:843101

約数の個数: 40

約数和(自身を含む): 42334857360

約数和(自身を除く): 21927828064

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 89, 136, 178, 272, 356, 712, 1424, 1513, 3026, 6052, 12104, 24208, 842987, 1685974, 3371948, 6743896, 13487792, 14330779, 28661558, 57323116, 75025843, 114646232, 150051686, 229292464, 300103372, 600206744, 1200413488, 1275439331, 2550878662, 5101757324, 10203514648, 20407029296]

約数ペア:

[(1, 20407029296), (2, 10203514648), (4, 5101757324), (8, 2550878662), (16, 1275439331), (17, 1200413488), (34, 600206744), (68, 300103372), (89, 229292464), (136, 150051686), (178, 114646232), (272, 75025843), (356, 57323116), (712, 28661558), (1424, 14330779), (1513, 13487792), (3026, 6743896), (6052, 3371948), (12104, 1685974), (24208, 842987)]