20199696

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:660

約数の個数: 80

約数和(自身を含む): 57877248

約数和(自身を除く): 37677552

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 67, 88, 132, 134, 176, 201, 264, 268, 402, 528, 536, 571, 737, 804, 1072, 1142, 1474, 1608, 1713, 2211, 2284, 2948, 3216, 3426, 4422, 4568, 5896, 6281, 6852, 8844, 9136, 11792, 12562, 13704, 17688, 18843, 25124, 27408, 35376, 37686, 38257, 50248, 75372, 76514, 100496, 114771, 150744, 153028, 229542, 301488, 306056, 420827, 459084, 612112, 841654, 918168, 1262481, 1683308, 1836336, 2524962, 3366616, 5049924, 6733232, 10099848, 20199696]

約数ペア:

[(1, 20199696), (2, 10099848), (3, 6733232), (4, 5049924), (6, 3366616), (8, 2524962), (11, 1836336), (12, 1683308), (16, 1262481), (22, 918168), (24, 841654), (33, 612112), (44, 459084), (48, 420827), (66, 306056), (67, 301488), (88, 229542), (132, 153028), (134, 150744), (176, 114771), (201, 100496), (264, 76514), (268, 75372), (402, 50248), (528, 38257), (536, 37686), (571, 35376), (737, 27408), (804, 25124), (1072, 18843), (1142, 17688), (1474, 13704), (1608, 12562), (1713, 11792), (2211, 9136), (2284, 8844), (2948, 6852), (3216, 6281), (3426, 5896), (4422, 4568)]