20191701195

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2451937}}^1$

素因数の和:2452012

約数の個数: 32

約数和(自身を含む): 36484837440

約数和(自身を除く): 16293136245

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2745, 8235, 2451937, 7355811, 12259685, 22067433, 36779055, 66202299, 110337165, 149568157, 331011495, 448704471, 747840785, 1346113413, 2243522355, 4038340239, 6730567065, 20191701195]

約数ペア:

[(1, 20191701195), (3, 6730567065), (5, 4038340239), (9, 2243522355), (15, 1346113413), (27, 747840785), (45, 448704471), (61, 331011495), (135, 149568157), (183, 110337165), (305, 66202299), (549, 36779055), (915, 22067433), (1647, 12259685), (2745, 7355811), (8235, 2451937)]