20880810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12211}}^1$

素因数の和:12243

約数の個数: 48

約数和(自身を含む): 57152160

約数和(自身を除く): 36271350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 12211, 24422, 36633, 61055, 73266, 109899, 122110, 183165, 219798, 232009, 366330, 464018, 549495, 696027, 1098990, 1160045, 1392054, 2088081, 2320090, 3480135, 4176162, 6960270, 10440405, 20880810]

約数ペア:

[(1, 20880810), (2, 10440405), (3, 6960270), (5, 4176162), (6, 3480135), (9, 2320090), (10, 2088081), (15, 1392054), (18, 1160045), (19, 1098990), (30, 696027), (38, 549495), (45, 464018), (57, 366330), (90, 232009), (95, 219798), (114, 183165), (171, 122110), (190, 109899), (285, 73266), (342, 61055), (570, 36633), (855, 24422), (1710, 12211)]