20236421440

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{317783}}^1$

素因数の和:317999

約数の個数: 56

約数和(自身を含む): 48430281600

約数和(自身を除く): 28193860160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 320, 398, 796, 995, 1592, 1990, 3184, 3980, 6368, 7960, 12736, 15920, 31840, 63680, 317783, 635566, 1271132, 1588915, 2542264, 3177830, 5084528, 6355660, 10169056, 12711320, 20338112, 25422640, 50845280, 63238817, 101690560, 126477634, 252955268, 316194085, 505910536, 632388170, 1011821072, 1264776340, 2023642144, 2529552680, 4047284288, 5059105360, 10118210720, 20236421440]

約数ペア:

[(1, 20236421440), (2, 10118210720), (4, 5059105360), (5, 4047284288), (8, 2529552680), (10, 2023642144), (16, 1264776340), (20, 1011821072), (32, 632388170), (40, 505910536), (64, 316194085), (80, 252955268), (160, 126477634), (199, 101690560), (320, 63238817), (398, 50845280), (796, 25422640), (995, 20338112), (1592, 12711320), (1990, 10169056), (3184, 6355660), (3980, 5084528), (6368, 3177830), (7960, 2542264), (12736, 1588915), (15920, 1271132), (31840, 635566), (63680, 317783)]