20199560416

素因数分解:

$2^5\times 7^1\times {\mathrm{1481}}^1\times {\mathrm{60889}}^1$

素因数の和:62387

約数の個数: 48

約数和(自身を含む): 45480445920

約数和(自身を除く): 25280885504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 1481, 2962, 5924, 10367, 11848, 20734, 23696, 41468, 47392, 60889, 82936, 121778, 165872, 243556, 331744, 426223, 487112, 852446, 974224, 1704892, 1948448, 3409784, 6819568, 13639136, 90176609, 180353218, 360706436, 631236263, 721412872, 1262472526, 1442825744, 2524945052, 2885651488, 5049890104, 10099780208, 20199560416]

約数ペア:

[(1, 20199560416), (2, 10099780208), (4, 5049890104), (7, 2885651488), (8, 2524945052), (14, 1442825744), (16, 1262472526), (28, 721412872), (32, 631236263), (56, 360706436), (112, 180353218), (224, 90176609), (1481, 13639136), (2962, 6819568), (5924, 3409784), (10367, 1948448), (11848, 1704892), (20734, 974224), (23696, 852446), (41468, 487112), (47392, 426223), (60889, 331744), (82936, 243556), (121778, 165872)]