20189987684800

素因数分解:

$2^6\times 5^2\times {\mathrm{17}}^1\times {\mathrm{742278959}}^1$

素因数の和:742278998

約数の個数: 84

約数和(自身を含む): 52602340779360

約数和(自身を除く): 32412353094560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 136, 160, 170, 200, 272, 320, 340, 400, 425, 544, 680, 800, 850, 1088, 1360, 1600, 1700, 2720, 3400, 5440, 6800, 13600, 27200, 742278959, 1484557918, 2969115836, 3711394795, 5938231672, 7422789590, 11876463344, 12618742303, 14845579180, 18556973975, 23752926688, 25237484606, 29691158360, 37113947950, 47505853376, 50474969212, 59382316720, 63093711515, 74227895900, 100949938424, 118764633440, 126187423030, 148455791800, 201899876848, 237529266880, 252374846060, 296911583600, 315468557575, 403799753696, 504749692120, 593823167200, 630937115150, 807599507392, 1009499384240, 1187646334400, 1261874230300, 2018998768480, 2523748460600, 4037997536960, 5047496921200, 10094993842400, 20189987684800]

約数ペア:

[(1, 20189987684800), (2, 10094993842400), (4, 5047496921200), (5, 4037997536960), (8, 2523748460600), (10, 2018998768480), (16, 1261874230300), (17, 1187646334400), (20, 1009499384240), (25, 807599507392), (32, 630937115150), (34, 593823167200), (40, 504749692120), (50, 403799753696), (64, 315468557575), (68, 296911583600), (80, 252374846060), (85, 237529266880), (100, 201899876848), (136, 148455791800), (160, 126187423030), (170, 118764633440), (200, 100949938424), (272, 74227895900), (320, 63093711515), (340, 59382316720), (400, 50474969212), (425, 47505853376), (544, 37113947950), (680, 29691158360), (800, 25237484606), (850, 23752926688), (1088, 18556973975), (1360, 14845579180), (1600, 12618742303), (1700, 11876463344), (2720, 7422789590), (3400, 5938231672), (5440, 3711394795), (6800, 2969115836), (13600, 1484557918), (27200, 742278959)]