20617470

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4019}}^1$

素因数の和:4054

約数の個数: 64

約数和(自身を含む): 57888000

約数和(自身を除く): 37270530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 4019, 5130, 8038, 12057, 20095, 24114, 36171, 40190, 60285, 72342, 76361, 108513, 120570, 152722, 180855, 217026, 229083, 361710, 381805, 458166, 542565, 687249, 763610, 1085130, 1145415, 1374498, 2061747, 2290830, 3436245, 4123494, 6872490, 10308735, 20617470]

約数ペア:

[(1, 20617470), (2, 10308735), (3, 6872490), (5, 4123494), (6, 3436245), (9, 2290830), (10, 2061747), (15, 1374498), (18, 1145415), (19, 1085130), (27, 763610), (30, 687249), (38, 542565), (45, 458166), (54, 381805), (57, 361710), (90, 229083), (95, 217026), (114, 180855), (135, 152722), (171, 120570), (190, 108513), (270, 76361), (285, 72342), (342, 60285), (513, 40190), (570, 36171), (855, 24114), (1026, 20095), (1710, 12057), (2565, 8038), (4019, 5130)]