20393600

素因数分解:

$2^7\times 5^2\times {\mathrm{6373}}^1$

素因数の和:6397

約数の個数: 48

約数和(自身を含む): 50386470

約数和(自身を除く): 29992870

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 6373, 12746, 25492, 31865, 50984, 63730, 101968, 127460, 159325, 203936, 254920, 318650, 407872, 509840, 637300, 815744, 1019680, 1274600, 2039360, 2549200, 4078720, 5098400, 10196800, 20393600]

約数ペア:

[(1, 20393600), (2, 10196800), (4, 5098400), (5, 4078720), (8, 2549200), (10, 2039360), (16, 1274600), (20, 1019680), (25, 815744), (32, 637300), (40, 509840), (50, 407872), (64, 318650), (80, 254920), (100, 203936), (128, 159325), (160, 127460), (200, 101968), (320, 63730), (400, 50984), (640, 31865), (800, 25492), (1600, 12746), (3200, 6373)]