20792280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1063}}^1$

素因数の和:1240

約数の個数: 64

約数和(自身を含む): 62818560

約数和(自身を除く): 42026280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1063, 1304, 1630, 1956, 2126, 2445, 3189, 3260, 3912, 4252, 4890, 5315, 6378, 6520, 8504, 9780, 10630, 12756, 15945, 19560, 21260, 25512, 31890, 42520, 63780, 127560, 173269, 346538, 519807, 693076, 866345, 1039614, 1386152, 1732690, 2079228, 2599035, 3465380, 4158456, 5198070, 6930760, 10396140, 20792280]

約数ペア:

[(1, 20792280), (2, 10396140), (3, 6930760), (4, 5198070), (5, 4158456), (6, 3465380), (8, 2599035), (10, 2079228), (12, 1732690), (15, 1386152), (20, 1039614), (24, 866345), (30, 693076), (40, 519807), (60, 346538), (120, 173269), (163, 127560), (326, 63780), (489, 42520), (652, 31890), (815, 25512), (978, 21260), (1063, 19560), (1304, 15945), (1630, 12756), (1956, 10630), (2126, 9780), (2445, 8504), (3189, 6520), (3260, 6378), (3912, 5315), (4252, 4890)]