20145403330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{557}}^1\times {\mathrm{21401}}^1$

素因数の和:21991

約数の個数: 48

約数和(自身を含む): 39337988904

約数和(自身を除く): 19192585574

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 557, 845, 1114, 1690, 2785, 5570, 7241, 14482, 21401, 36205, 42802, 72410, 94133, 107005, 188266, 214010, 278213, 470665, 556426, 941330, 1391065, 2782130, 3616769, 7233538, 11920357, 18083845, 23840714, 36167690, 59601785, 119203570, 154964641, 309929282, 774823205, 1549646410, 2014540333, 4029080666, 10072701665, 20145403330]

約数ペア:

[(1, 20145403330), (2, 10072701665), (5, 4029080666), (10, 2014540333), (13, 1549646410), (26, 774823205), (65, 309929282), (130, 154964641), (169, 119203570), (338, 59601785), (557, 36167690), (845, 23840714), (1114, 18083845), (1690, 11920357), (2785, 7233538), (5570, 3616769), (7241, 2782130), (14482, 1391065), (21401, 941330), (36205, 556426), (42802, 470665), (72410, 278213), (94133, 214010), (107005, 188266)]