20174772256

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{194647}}^1$

素因数の和:194777

約数の個数: 48

約数和(自身を含む): 41203088640

約数和(自身を除く): 21028316384

約数列:

[1, 2, 4, 8, 16, 32, 41, 79, 82, 158, 164, 316, 328, 632, 656, 1264, 1312, 2528, 3239, 6478, 12956, 25912, 51824, 103648, 194647, 389294, 778588, 1557176, 3114352, 6228704, 7980527, 15377113, 15961054, 30754226, 31922108, 61508452, 63844216, 123016904, 127688432, 246033808, 255376864, 492067616, 630461633, 1260923266, 2521846532, 5043693064, 10087386128, 20174772256]

約数ペア:

[(1, 20174772256), (2, 10087386128), (4, 5043693064), (8, 2521846532), (16, 1260923266), (32, 630461633), (41, 492067616), (79, 255376864), (82, 246033808), (158, 127688432), (164, 123016904), (316, 63844216), (328, 61508452), (632, 31922108), (656, 30754226), (1264, 15961054), (1312, 15377113), (2528, 7980527), (3239, 6228704), (6478, 3114352), (12956, 1557176), (25912, 778588), (51824, 389294), (103648, 194647)]