20399496

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{433}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 55413120

約数和(自身を除く): 35013624

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 151, 156, 302, 312, 433, 453, 604, 866, 906, 1208, 1299, 1732, 1812, 1963, 2598, 3464, 3624, 3926, 5196, 5629, 5889, 7852, 10392, 11258, 11778, 15704, 16887, 22516, 23556, 33774, 45032, 47112, 65383, 67548, 130766, 135096, 196149, 261532, 392298, 523064, 784596, 849979, 1569192, 1699958, 2549937, 3399916, 5099874, 6799832, 10199748, 20399496]

約数ペア:

[(1, 20399496), (2, 10199748), (3, 6799832), (4, 5099874), (6, 3399916), (8, 2549937), (12, 1699958), (13, 1569192), (24, 849979), (26, 784596), (39, 523064), (52, 392298), (78, 261532), (104, 196149), (151, 135096), (156, 130766), (302, 67548), (312, 65383), (433, 47112), (453, 45032), (604, 33774), (866, 23556), (906, 22516), (1208, 16887), (1299, 15704), (1732, 11778), (1812, 11258), (1963, 10392), (2598, 7852), (3464, 5889), (3624, 5629), (3926, 5196)]