20199192

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:764

約数の個数: 64

約数和(自身を含む): 55006560

約数和(自身を除く): 34807368

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 101, 104, 156, 202, 303, 312, 404, 606, 641, 808, 1212, 1282, 1313, 1923, 2424, 2564, 2626, 3846, 3939, 5128, 5252, 7692, 7878, 8333, 10504, 15384, 15756, 16666, 24999, 31512, 33332, 49998, 64741, 66664, 99996, 129482, 194223, 199992, 258964, 388446, 517928, 776892, 841633, 1553784, 1683266, 2524899, 3366532, 5049798, 6733064, 10099596, 20199192]

約数ペア:

[(1, 20199192), (2, 10099596), (3, 6733064), (4, 5049798), (6, 3366532), (8, 2524899), (12, 1683266), (13, 1553784), (24, 841633), (26, 776892), (39, 517928), (52, 388446), (78, 258964), (101, 199992), (104, 194223), (156, 129482), (202, 99996), (303, 66664), (312, 64741), (404, 49998), (606, 33332), (641, 31512), (808, 24999), (1212, 16666), (1282, 15756), (1313, 15384), (1923, 10504), (2424, 8333), (2564, 7878), (2626, 7692), (3846, 5252), (3939, 5128)]