20031960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12841}}^1$

素因数の和:12868

約数の個数: 64

約数和(自身を含む): 64723680

約数和(自身を除く): 44691720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12841, 25682, 38523, 51364, 64205, 77046, 102728, 128410, 154092, 166933, 192615, 256820, 308184, 333866, 385230, 500799, 513640, 667732, 770460, 834665, 1001598, 1335464, 1540920, 1669330, 2003196, 2503995, 3338660, 4006392, 5007990, 6677320, 10015980, 20031960]

約数ペア:

[(1, 20031960), (2, 10015980), (3, 6677320), (4, 5007990), (5, 4006392), (6, 3338660), (8, 2503995), (10, 2003196), (12, 1669330), (13, 1540920), (15, 1335464), (20, 1001598), (24, 834665), (26, 770460), (30, 667732), (39, 513640), (40, 500799), (52, 385230), (60, 333866), (65, 308184), (78, 256820), (104, 192615), (120, 166933), (130, 154092), (156, 128410), (195, 102728), (260, 77046), (312, 64205), (390, 51364), (520, 38523), (780, 25682), (1560, 12841)]