20199198

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{743}}^1$

素因数の和:968

約数の個数: 32

約数和(自身を含む): 42425856

約数和(自身を除く): 22226658

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 197, 394, 591, 743, 1182, 1486, 2229, 4458, 4531, 9062, 13593, 17089, 27186, 34178, 51267, 102534, 146371, 292742, 439113, 878226, 3366533, 6733066, 10099599, 20199198]

約数ペア:

[(1, 20199198), (2, 10099599), (3, 6733066), (6, 3366533), (23, 878226), (46, 439113), (69, 292742), (138, 146371), (197, 102534), (394, 51267), (591, 34178), (743, 27186), (1182, 17089), (1486, 13593), (2229, 9062), (4458, 4531)]