19968720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83203}}^1$

素因数の和:83219

約数の個数: 40

約数和(自身を含む): 61903776

約数和(自身を除く): 41935056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 83203, 166406, 249609, 332812, 416015, 499218, 665624, 832030, 998436, 1248045, 1331248, 1664060, 1996872, 2496090, 3328120, 3993744, 4992180, 6656240, 9984360, 19968720]

約数ペア:

[(1, 19968720), (2, 9984360), (3, 6656240), (4, 4992180), (5, 3993744), (6, 3328120), (8, 2496090), (10, 1996872), (12, 1664060), (15, 1331248), (16, 1248045), (20, 998436), (24, 832030), (30, 665624), (40, 499218), (48, 416015), (60, 332812), (80, 249609), (120, 166406), (240, 83203)]