20094776

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 41504400

約数和(自身を除く): 21409624

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 167, 169, 178, 334, 338, 356, 668, 676, 712, 1157, 1336, 1352, 2171, 2314, 4342, 4628, 8684, 9256, 14863, 15041, 17368, 28223, 29726, 30082, 56446, 59452, 60164, 112892, 118904, 120328, 193219, 225784, 386438, 772876, 1545752, 2511847, 5023694, 10047388, 20094776]

約数ペア:

[(1, 20094776), (2, 10047388), (4, 5023694), (8, 2511847), (13, 1545752), (26, 772876), (52, 386438), (89, 225784), (104, 193219), (167, 120328), (169, 118904), (178, 112892), (334, 60164), (338, 59452), (356, 56446), (668, 30082), (676, 29726), (712, 28223), (1157, 17368), (1336, 15041), (1352, 14863), (2171, 9256), (2314, 8684), (4342, 4628)]