20161304615

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1\times {\mathrm{373}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 26972808192

約数和(自身を除く): 6811503577

約数列:

[1, 5, 17, 31, 73, 85, 155, 281, 365, 373, 527, 1241, 1405, 1865, 2263, 2635, 4777, 6205, 6341, 8711, 11315, 11563, 20513, 23885, 27229, 31705, 38471, 43555, 57815, 102565, 104813, 136145, 148087, 192355, 196571, 348721, 462893, 524065, 635903, 740435, 844099, 982855, 1743605, 1781821, 2314465, 3179515, 3249203, 4220495, 7651349, 8909105, 10810351, 14349683, 16246015, 38256745, 54051755, 55236451, 71748415, 130072933, 237191819, 276182255, 650364665, 1185959095, 4032260923, 20161304615]

約数ペア:

[(1, 20161304615), (5, 4032260923), (17, 1185959095), (31, 650364665), (73, 276182255), (85, 237191819), (155, 130072933), (281, 71748415), (365, 55236451), (373, 54051755), (527, 38256745), (1241, 16246015), (1405, 14349683), (1865, 10810351), (2263, 8909105), (2635, 7651349), (4777, 4220495), (6205, 3249203), (6341, 3179515), (8711, 2314465), (11315, 1781821), (11563, 1743605), (20513, 982855), (23885, 844099), (27229, 740435), (31705, 635903), (38471, 524065), (43555, 462893), (57815, 348721), (102565, 196571), (104813, 192355), (136145, 148087)]