20515482

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1201}}^1$

素因数の和:1295

約数の個数: 48

約数和(自身を含む): 48565608

約数和(自身を除く): 28050126

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 73, 78, 117, 146, 219, 234, 438, 657, 949, 1201, 1314, 1898, 2402, 2847, 3603, 5694, 7206, 8541, 10809, 15613, 17082, 21618, 31226, 46839, 87673, 93678, 140517, 175346, 263019, 281034, 526038, 789057, 1139749, 1578114, 2279498, 3419247, 6838494, 10257741, 20515482]

約数ペア:

[(1, 20515482), (2, 10257741), (3, 6838494), (6, 3419247), (9, 2279498), (13, 1578114), (18, 1139749), (26, 789057), (39, 526038), (73, 281034), (78, 263019), (117, 175346), (146, 140517), (219, 93678), (234, 87673), (438, 46839), (657, 31226), (949, 21618), (1201, 17082), (1314, 15613), (1898, 10809), (2402, 8541), (2847, 7206), (3603, 5694)]