20767501850

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{353}}^1\times {\mathrm{19289}}^1$

素因数の和:19715

約数の個数: 48

約数和(自身を含む): 39374053560

約数和(自身を除く): 18606551710

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 305, 353, 610, 706, 1525, 1765, 3050, 3530, 8825, 17650, 19289, 21533, 38578, 43066, 96445, 107665, 192890, 215330, 482225, 538325, 964450, 1076650, 1176629, 2353258, 5883145, 6809017, 11766290, 13618034, 29415725, 34045085, 58831450, 68090170, 170225425, 340450850, 415350037, 830700074, 2076750185, 4153500370, 10383750925, 20767501850]

約数ペア:

[(1, 20767501850), (2, 10383750925), (5, 4153500370), (10, 2076750185), (25, 830700074), (50, 415350037), (61, 340450850), (122, 170225425), (305, 68090170), (353, 58831450), (610, 34045085), (706, 29415725), (1525, 13618034), (1765, 11766290), (3050, 6809017), (3530, 5883145), (8825, 2353258), (17650, 1176629), (19289, 1076650), (21533, 964450), (38578, 538325), (43066, 482225), (96445, 215330), (107665, 192890)]