20199031864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1\times {\mathrm{2617}}^1$

素因数の和:3404

約数の個数: 64

約数和(自身を含む): 41695315200

約数和(自身を除く): 21496283336

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 631, 1112, 1262, 1529, 2524, 2617, 3058, 5048, 5234, 6116, 6941, 10468, 12232, 13882, 20936, 27764, 28787, 55528, 57574, 87709, 115148, 175418, 230296, 350836, 363763, 701672, 727526, 964799, 1455052, 1651327, 1929598, 2910104, 3302654, 3859196, 4001393, 6605308, 7718392, 8002786, 13210616, 16005572, 18164597, 32011144, 36329194, 72658388, 145316776, 229534453, 459068906, 918137812, 1836275624, 2524878983, 5049757966, 10099515932, 20199031864]

約数ペア:

[(1, 20199031864), (2, 10099515932), (4, 5049757966), (8, 2524878983), (11, 1836275624), (22, 918137812), (44, 459068906), (88, 229534453), (139, 145316776), (278, 72658388), (556, 36329194), (631, 32011144), (1112, 18164597), (1262, 16005572), (1529, 13210616), (2524, 8002786), (2617, 7718392), (3058, 6605308), (5048, 4001393), (5234, 3859196), (6116, 3302654), (6941, 2910104), (10468, 1929598), (12232, 1651327), (13882, 1455052), (20936, 964799), (27764, 727526), (28787, 701672), (55528, 363763), (57574, 350836), (87709, 230296), (115148, 175418)]