201020920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{12853}}^1$

素因数の和:12904

約数の個数: 64

約数和(自身を含む): 499763520

約数和(自身を除く): 298742600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 3128, 3910, 7820, 12853, 15640, 25706, 51412, 64265, 102824, 128530, 218501, 257060, 295619, 437002, 514120, 591238, 874004, 1092505, 1182476, 1478095, 1748008, 2185010, 2364952, 2956190, 4370020, 5025523, 5912380, 8740040, 10051046, 11824760, 20102092, 25127615, 40204184, 50255230, 100510460, 201020920]

約数ペア:

[(1, 201020920), (2, 100510460), (4, 50255230), (5, 40204184), (8, 25127615), (10, 20102092), (17, 11824760), (20, 10051046), (23, 8740040), (34, 5912380), (40, 5025523), (46, 4370020), (68, 2956190), (85, 2364952), (92, 2185010), (115, 1748008), (136, 1478095), (170, 1182476), (184, 1092505), (230, 874004), (340, 591238), (391, 514120), (460, 437002), (680, 295619), (782, 257060), (920, 218501), (1564, 128530), (1955, 102824), (3128, 64265), (3910, 51412), (7820, 25706), (12853, 15640)]