20161222624

素因数分解:

$2^5\times {\mathrm{17}}^3\times {\mathrm{128239}}^1$

素因数の和:128300

約数の個数: 48

約数和(自身を含む): 42173006400

約数和(自身を除く): 22011783776

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 1156, 2312, 4624, 4913, 9248, 9826, 19652, 39304, 78608, 128239, 157216, 256478, 512956, 1025912, 2051824, 2180063, 4103648, 4360126, 8720252, 17440504, 34881008, 37061071, 69762016, 74122142, 148244284, 296488568, 592977136, 630038207, 1185954272, 1260076414, 2520152828, 5040305656, 10080611312, 20161222624]

約数ペア:

[(1, 20161222624), (2, 10080611312), (4, 5040305656), (8, 2520152828), (16, 1260076414), (17, 1185954272), (32, 630038207), (34, 592977136), (68, 296488568), (136, 148244284), (272, 74122142), (289, 69762016), (544, 37061071), (578, 34881008), (1156, 17440504), (2312, 8720252), (4624, 4360126), (4913, 4103648), (9248, 2180063), (9826, 2051824), (19652, 1025912), (39304, 512956), (78608, 256478), (128239, 157216)]