20556228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{22247}}^1$

素因数の和:22272

約数の個数: 48

約数和(自身を含む): 59802624

約数和(自身を除く): 39246396

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 22247, 44494, 66741, 88988, 133482, 155729, 244717, 266964, 311458, 467187, 489434, 622916, 734151, 934374, 978868, 1468302, 1713019, 1868748, 2936604, 3426038, 5139057, 6852076, 10278114, 20556228]

約数ペア:

[(1, 20556228), (2, 10278114), (3, 6852076), (4, 5139057), (6, 3426038), (7, 2936604), (11, 1868748), (12, 1713019), (14, 1468302), (21, 978868), (22, 934374), (28, 734151), (33, 622916), (42, 489434), (44, 467187), (66, 311458), (77, 266964), (84, 244717), (132, 155729), (154, 133482), (231, 88988), (308, 66741), (462, 44494), (924, 22247)]