20895178990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1373}}^1\times {\mathrm{217409}}^1$

素因数の和:218796

約数の個数: 32

約数和(自身を含む): 43015872960

約数和(自身を除く): 22120693970

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1373, 2746, 6865, 9611, 13730, 19222, 48055, 96110, 217409, 434818, 1087045, 1521863, 2174090, 3043726, 7609315, 15218630, 298502557, 597005114, 1492512785, 2089517899, 2985025570, 4179035798, 10447589495, 20895178990]

約数ペア:

[(1, 20895178990), (2, 10447589495), (5, 4179035798), (7, 2985025570), (10, 2089517899), (14, 1492512785), (35, 597005114), (70, 298502557), (1373, 15218630), (2746, 7609315), (6865, 3043726), (9611, 2174090), (13730, 1521863), (19222, 1087045), (48055, 434818), (96110, 217409)]