20218463712

素因数分解:

$2^5\times 3^2\times {\mathrm{2213}}^1\times {\mathrm{31723}}^1$

素因数の和:33952

約数の個数: 72

約数和(自身を含む): 57524050584

約数和(自身を除く): 37305586872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 2213, 4426, 6639, 8852, 13278, 17704, 19917, 26556, 31723, 35408, 39834, 53112, 63446, 70816, 79668, 95169, 106224, 126892, 159336, 190338, 212448, 253784, 285507, 318672, 380676, 507568, 571014, 637344, 761352, 1015136, 1142028, 1522704, 2284056, 3045408, 4568112, 9136224, 70202999, 140405998, 210608997, 280811996, 421217994, 561623992, 631826991, 842435988, 1123247984, 1263653982, 1684871976, 2246495968, 2527307964, 3369743952, 5054615928, 6739487904, 10109231856, 20218463712]

約数ペア:

[(1, 20218463712), (2, 10109231856), (3, 6739487904), (4, 5054615928), (6, 3369743952), (8, 2527307964), (9, 2246495968), (12, 1684871976), (16, 1263653982), (18, 1123247984), (24, 842435988), (32, 631826991), (36, 561623992), (48, 421217994), (72, 280811996), (96, 210608997), (144, 140405998), (288, 70202999), (2213, 9136224), (4426, 4568112), (6639, 3045408), (8852, 2284056), (13278, 1522704), (17704, 1142028), (19917, 1015136), (26556, 761352), (31723, 637344), (35408, 571014), (39834, 507568), (53112, 380676), (63446, 318672), (70816, 285507), (79668, 253784), (95169, 212448), (106224, 190338), (126892, 159336)]