20199608890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1\times {\mathrm{155657}}^1$

素因数の和:156366

約数の個数: 32

約数和(自身を含む): 38329225920

約数和(自身を除く): 18129617030

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 683, 1366, 3415, 6830, 12977, 25954, 64885, 129770, 155657, 311314, 778285, 1556570, 2957483, 5914966, 14787415, 29574830, 106313731, 212627462, 531568655, 1063137310, 2019960889, 4039921778, 10099804445, 20199608890]

約数ペア:

[(1, 20199608890), (2, 10099804445), (5, 4039921778), (10, 2019960889), (19, 1063137310), (38, 531568655), (95, 212627462), (190, 106313731), (683, 29574830), (1366, 14787415), (3415, 5914966), (6830, 2957483), (12977, 1556570), (25954, 778285), (64885, 311314), (129770, 155657)]