20714480

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3547}}^1$

素因数の和:3633

約数の個数: 40

約数和(自身を含む): 48834672

約数和(自身を除く): 28120192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 3547, 5840, 7094, 14188, 17735, 28376, 35470, 56752, 70940, 141880, 258931, 283760, 517862, 1035724, 1294655, 2071448, 2589310, 4142896, 5178620, 10357240, 20714480]

約数ペア:

[(1, 20714480), (2, 10357240), (4, 5178620), (5, 4142896), (8, 2589310), (10, 2071448), (16, 1294655), (20, 1035724), (40, 517862), (73, 283760), (80, 258931), (146, 141880), (292, 70940), (365, 56752), (584, 35470), (730, 28376), (1168, 17735), (1460, 14188), (2920, 7094), (3547, 5840)]