20115515880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3286849}}^1$

素因数の和:3286883

約数の個数: 96

約数和(自身を含む): 69221061000

約数和(自身を除く): 49105545120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 6120, 3286849, 6573698, 9860547, 13147396, 16434245, 19721094, 26294792, 29581641, 32868490, 39442188, 49302735, 55876433, 59163282, 65736980, 78884376, 98605470, 111752866, 118326564, 131473960, 147908205, 167629299, 197210940, 223505732, 236653128, 279382165, 295816410, 335258598, 394421880, 447011464, 502887897, 558764330, 591632820, 670517196, 838146495, 1005775794, 1117528660, 1183265640, 1341034392, 1676292990, 2011551588, 2235057320, 2514439485, 3352585980, 4023103176, 5028878970, 6705171960, 10057757940, 20115515880]

約数ペア:

[(1, 20115515880), (2, 10057757940), (3, 6705171960), (4, 5028878970), (5, 4023103176), (6, 3352585980), (8, 2514439485), (9, 2235057320), (10, 2011551588), (12, 1676292990), (15, 1341034392), (17, 1183265640), (18, 1117528660), (20, 1005775794), (24, 838146495), (30, 670517196), (34, 591632820), (36, 558764330), (40, 502887897), (45, 447011464), (51, 394421880), (60, 335258598), (68, 295816410), (72, 279382165), (85, 236653128), (90, 223505732), (102, 197210940), (120, 167629299), (136, 147908205), (153, 131473960), (170, 118326564), (180, 111752866), (204, 98605470), (255, 78884376), (306, 65736980), (340, 59163282), (360, 55876433), (408, 49302735), (510, 39442188), (612, 32868490), (680, 29581641), (765, 26294792), (1020, 19721094), (1224, 16434245), (1530, 13147396), (2040, 9860547), (3060, 6573698), (6120, 3286849)]