20411952

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{577}}^1$

素因数の和:666

約数の個数: 80

約数和(自身を含む): 58484352

約数和(自身を除く): 38072400

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, 577, 737, 804, 1072, 1154, 1474, 1608, 1731, 2211, 2308, 2948, 3216, 3462, 4422, 4616, 5896, 6347, 6924, 8844, 9232, 11792, 12694, 13848, 17688, 19041, 25388, 27696, 35376, 38082, 38659, 50776, 76164, 77318, 101552, 115977, 152328, 154636, 231954, 304656, 309272, 425249, 463908, 618544, 850498, 927816, 1275747, 1700996, 1855632, 2551494, 3401992, 5102988, 6803984, 10205976, 20411952]

約数ペア:

[(1, 20411952), (2, 10205976), (3, 6803984), (4, 5102988), (6, 3401992), (8, 2551494), (11, 1855632), (12, 1700996), (16, 1275747), (22, 927816), (24, 850498), (33, 618544), (44, 463908), (48, 425249), (66, 309272), (67, 304656), (88, 231954), (132, 154636), (134, 152328), (176, 115977), (201, 101552), (264, 77318), (268, 76164), (402, 50776), (528, 38659), (536, 38082), (577, 35376), (737, 27696), (804, 25388), (1072, 19041), (1154, 17688), (1474, 13848), (1608, 12694), (1731, 11792), (2211, 9232), (2308, 8844), (2948, 6924), (3216, 6347), (3462, 5896), (4422, 4616)]