20152172920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{24851}}^1$

素因数の和:24989

約数の個数: 128

約数和(自身を含む): 52606713600

約数和(自身を除く): 32454540680

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 97, 110, 152, 190, 194, 209, 220, 380, 388, 418, 440, 485, 760, 776, 836, 970, 1045, 1067, 1672, 1843, 1940, 2090, 2134, 3686, 3880, 4180, 4268, 5335, 7372, 8360, 8536, 9215, 10670, 14744, 18430, 20273, 21340, 24851, 36860, 40546, 42680, 49702, 73720, 81092, 99404, 101365, 124255, 162184, 198808, 202730, 248510, 273361, 405460, 472169, 497020, 546722, 810920, 944338, 994040, 1093444, 1366805, 1888676, 2186888, 2360845, 2410547, 2733610, 3777352, 4721690, 4821094, 5193859, 5467220, 9443380, 9642188, 10387718, 10934440, 12052735, 18886760, 19284376, 20775436, 24105470, 25969295, 26516017, 41550872, 45800393, 48210940, 51938590, 53032034, 91600786, 96421880, 103877180, 106064068, 132580085, 183201572, 207754360, 212128136, 229001965, 265160170, 366403144, 458003930, 503804323, 530320340, 916007860, 1007608646, 1060640680, 1832015720, 2015217292, 2519021615, 4030434584, 5038043230, 10076086460, 20152172920]

約数ペア:

[(1, 20152172920), (2, 10076086460), (4, 5038043230), (5, 4030434584), (8, 2519021615), (10, 2015217292), (11, 1832015720), (19, 1060640680), (20, 1007608646), (22, 916007860), (38, 530320340), (40, 503804323), (44, 458003930), (55, 366403144), (76, 265160170), (88, 229001965), (95, 212128136), (97, 207754360), (110, 183201572), (152, 132580085), (190, 106064068), (194, 103877180), (209, 96421880), (220, 91600786), (380, 53032034), (388, 51938590), (418, 48210940), (440, 45800393), (485, 41550872), (760, 26516017), (776, 25969295), (836, 24105470), (970, 20775436), (1045, 19284376), (1067, 18886760), (1672, 12052735), (1843, 10934440), (1940, 10387718), (2090, 9642188), (2134, 9443380), (3686, 5467220), (3880, 5193859), (4180, 4821094), (4268, 4721690), (5335, 3777352), (7372, 2733610), (8360, 2410547), (8536, 2360845), (9215, 2186888), (10670, 1888676), (14744, 1366805), (18430, 1093444), (20273, 994040), (21340, 944338), (24851, 810920), (36860, 546722), (40546, 497020), (42680, 472169), (49702, 405460), (73720, 273361), (81092, 248510), (99404, 202730), (101365, 198808), (124255, 162184)]