20030040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55639}}^1$

素因数の和:55656

約数の個数: 48

約数和(自身を含む): 65098800

約数和(自身を除く): 45068760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 55639, 111278, 166917, 222556, 278195, 333834, 445112, 500751, 556390, 667668, 834585, 1001502, 1112780, 1335336, 1669170, 2003004, 2225560, 2503755, 3338340, 4006008, 5007510, 6676680, 10015020, 20030040]

約数ペア:

[(1, 20030040), (2, 10015020), (3, 6676680), (4, 5007510), (5, 4006008), (6, 3338340), (8, 2503755), (9, 2225560), (10, 2003004), (12, 1669170), (15, 1335336), (18, 1112780), (20, 1001502), (24, 834585), (30, 667668), (36, 556390), (40, 500751), (45, 445112), (60, 333834), (72, 278195), (90, 222556), (120, 166917), (180, 111278), (360, 55639)]