20175086318

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2\times {\mathrm{193}}^1\times {\mathrm{809}}^1$

素因数の和:1133

約数の個数: 48

約数和(自身を含む): 32392211040

約数和(自身を除く): 12217124722

約数列:

[1, 2, 23, 46, 53, 106, 193, 386, 809, 1219, 1618, 2438, 2809, 4439, 5618, 8878, 10229, 18607, 20458, 37214, 42877, 64607, 85754, 129214, 156137, 235267, 312274, 470534, 542137, 986171, 1084274, 1972342, 2272481, 3591151, 4544962, 7182302, 8275261, 12469151, 16550522, 24938302, 52267063, 104534126, 190331003, 380662006, 438588833, 877177666, 10087543159, 20175086318]

約数ペア:

[(1, 20175086318), (2, 10087543159), (23, 877177666), (46, 438588833), (53, 380662006), (106, 190331003), (193, 104534126), (386, 52267063), (809, 24938302), (1219, 16550522), (1618, 12469151), (2438, 8275261), (2809, 7182302), (4439, 4544962), (5618, 3591151), (8878, 2272481), (10229, 1972342), (18607, 1084274), (20458, 986171), (37214, 542137), (42877, 470534), (64607, 312274), (85754, 235267), (129214, 156137)]