20007622240

素因数分解:

$2^5\times 5^1\times {\mathrm{379}}^1\times {\mathrm{329941}}^1$

素因数の和:330335

約数の個数: 48

約数和(自身を含む): 47392868880

約数和(自身を除く): 27385246640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 379, 758, 1516, 1895, 3032, 3790, 6064, 7580, 12128, 15160, 30320, 60640, 329941, 659882, 1319764, 1649705, 2639528, 3299410, 5279056, 6598820, 10558112, 13197640, 26395280, 52790560, 125047639, 250095278, 500190556, 625238195, 1000381112, 1250476390, 2000762224, 2500952780, 4001524448, 5001905560, 10003811120, 20007622240]

約数ペア:

[(1, 20007622240), (2, 10003811120), (4, 5001905560), (5, 4001524448), (8, 2500952780), (10, 2000762224), (16, 1250476390), (20, 1000381112), (32, 625238195), (40, 500190556), (80, 250095278), (160, 125047639), (379, 52790560), (758, 26395280), (1516, 13197640), (1895, 10558112), (3032, 6598820), (3790, 5279056), (6064, 3299410), (7580, 2639528), (12128, 1649705), (15160, 1319764), (30320, 659882), (60640, 329941)]