20199892405

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3086309}}^1$

素因数の和:3086349

約数の個数: 32

約数和(自身を含む): 31998862080

約数和(自身を除く): 11798969675

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 6545, 3086309, 15431545, 21604163, 33949399, 52467253, 108020815, 169746995, 237645793, 262336265, 367270771, 577139783, 1188228965, 1836353855, 2885698915, 4039978481, 20199892405]

約数ペア:

[(1, 20199892405), (5, 4039978481), (7, 2885698915), (11, 1836353855), (17, 1188228965), (35, 577139783), (55, 367270771), (77, 262336265), (85, 237645793), (119, 169746995), (187, 108020815), (385, 52467253), (595, 33949399), (935, 21604163), (1309, 15431545), (6545, 3086309)]