20199578539

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1\times {\mathrm{2549}}^1$

素因数の和:3067

約数の個数: 32

約数和(自身を含む): 24186240000

約数和(自身を除く): 3986661461

約数列:

[1, 7, 29, 103, 203, 379, 721, 2549, 2653, 2987, 10991, 17843, 20909, 39037, 73921, 76937, 262547, 273259, 517447, 966071, 1132073, 1837829, 6762497, 7613863, 7924511, 28016059, 53297041, 99505313, 196112413, 696537191, 2885654077, 20199578539]

約数ペア:

[(1, 20199578539), (7, 2885654077), (29, 696537191), (103, 196112413), (203, 99505313), (379, 53297041), (721, 28016059), (2549, 7924511), (2653, 7613863), (2987, 6762497), (10991, 1837829), (17843, 1132073), (20909, 966071), (39037, 517447), (73921, 273259), (76937, 262547)]