20520150

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{19543}}^1$

素因数の和:19565

約数の個数: 48

約数和(自身を含む): 58162944

約数和(自身を除く): 37642794

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 19543, 39086, 58629, 97715, 117258, 136801, 195430, 273602, 293145, 410403, 488575, 586290, 684005, 820806, 977150, 1368010, 1465725, 2052015, 2931450, 3420025, 4104030, 6840050, 10260075, 20520150]

約数ペア:

[(1, 20520150), (2, 10260075), (3, 6840050), (5, 4104030), (6, 3420025), (7, 2931450), (10, 2052015), (14, 1465725), (15, 1368010), (21, 977150), (25, 820806), (30, 684005), (35, 586290), (42, 488575), (50, 410403), (70, 293145), (75, 273602), (105, 195430), (150, 136801), (175, 117258), (210, 97715), (350, 58629), (525, 39086), (1050, 19543)]