20850030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:258

約数の個数: 96

約数和(自身を含む): 58125600

約数和(自身を除く): 37275570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 89, 90, 95, 114, 137, 171, 178, 190, 267, 274, 285, 342, 411, 445, 534, 570, 685, 801, 822, 855, 890, 1233, 1335, 1370, 1602, 1691, 1710, 2055, 2466, 2603, 2670, 3382, 4005, 4110, 5073, 5206, 6165, 7809, 8010, 8455, 10146, 12193, 12330, 13015, 15219, 15618, 16910, 23427, 24386, 25365, 26030, 30438, 36579, 39045, 46854, 50730, 60965, 73158, 76095, 78090, 109737, 117135, 121930, 152190, 182895, 219474, 231667, 234270, 365790, 463334, 548685, 695001, 1097370, 1158335, 1390002, 2085003, 2316670, 3475005, 4170006, 6950010, 10425015, 20850030]

約数ペア:

[(1, 20850030), (2, 10425015), (3, 6950010), (5, 4170006), (6, 3475005), (9, 2316670), (10, 2085003), (15, 1390002), (18, 1158335), (19, 1097370), (30, 695001), (38, 548685), (45, 463334), (57, 365790), (89, 234270), (90, 231667), (95, 219474), (114, 182895), (137, 152190), (171, 121930), (178, 117135), (190, 109737), (267, 78090), (274, 76095), (285, 73158), (342, 60965), (411, 50730), (445, 46854), (534, 39045), (570, 36579), (685, 30438), (801, 26030), (822, 25365), (855, 24386), (890, 23427), (1233, 16910), (1335, 15618), (1370, 15219), (1602, 13015), (1691, 12330), (1710, 12193), (2055, 10146), (2466, 8455), (2603, 8010), (2670, 7809), (3382, 6165), (4005, 5206), (4110, 5073)]