20031704

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1049}}^1$

素因数の和:1104

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 28352296

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 124, 154, 217, 248, 308, 341, 434, 616, 682, 868, 1049, 1364, 1736, 2098, 2387, 2728, 4196, 4774, 7343, 8392, 9548, 11539, 14686, 19096, 23078, 29372, 32519, 46156, 58744, 65038, 80773, 92312, 130076, 161546, 227633, 260152, 323092, 357709, 455266, 646184, 715418, 910532, 1430836, 1821064, 2503963, 2861672, 5007926, 10015852, 20031704]

約数ペア:

[(1, 20031704), (2, 10015852), (4, 5007926), (7, 2861672), (8, 2503963), (11, 1821064), (14, 1430836), (22, 910532), (28, 715418), (31, 646184), (44, 455266), (56, 357709), (62, 323092), (77, 260152), (88, 227633), (124, 161546), (154, 130076), (217, 92312), (248, 80773), (308, 65038), (341, 58744), (434, 46156), (616, 32519), (682, 29372), (868, 23078), (1049, 19096), (1364, 14686), (1736, 11539), (2098, 9548), (2387, 8392), (2728, 7343), (4196, 4774)]